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1266952 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
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dd5a440a31 | Linux 6.9-rc7 | ||
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Linus Torvalds
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4efaa5acf0 |
epoll: be better about file lifetimes
epoll can call out to vfs_poll() with a file pointer that may race with the last 'fput()'. That would make f_count go down to zero, and while the ep->mtx locking means that the resulting file pointer tear-down will be blocked until the poll returns, it means that f_count is already dead, and any use of it won't actually get a reference to the file any more: it's dead regardless. Make sure we have a valid ref on the file pointer before we call down to vfs_poll() from the epoll routines. Link: https://lore.kernel.org/lkml/0000000000002d631f0615918f1e@google.com/ Reported-by: syzbot+045b454ab35fd82a35fb@syzkaller.appspotmail.com Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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f462ae0edd |
- Fix error logging and check user-supplied data when injecting an error
in the versal EDAC driver -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmY3V54ACgkQEsHwGGHe VUqghQ/+I0Bw6vyu5IaEMWtDp6nzJsSHjh+O7oVxaaJxeu/MN/3CzT3Uzoej3nvn ot47enUIGKBvBKZ7JqiM44oDEHFNPLiDbXAiuhRUJM6YQCp+LrSn9TK7dQyXVGeU fp9iGrsurhuBUHyTckhm2OW7EYeXOCsW+7/ufYRJbwEeWtQ1KQD9BW3Zv/oaLFi5 reKPQNLO8Y1C4INWO115CqdgczAGvW3rACSHkEIUsU0OAkc7602flSZrlpBYHL5J 7mJbeElcTM29A81hnhO/8k/pYtkdR4hnIinjonOQeJJGbmxFVRD2s0PybUEazclO 2pubUcX0j7jiHo6l4IiNnYT1UVMdj4RoFEBpHCJ4LP6gZ/Nh9FZmaLgeJBW1v47K 0kA5MU9A61Ei3BvG6kBh/dajNx9LMpshEWAIVdZpk9WxDZmVq6Ubi5uD/FtAXgWp 7R/1QPtUMf0K2zO568J2isGj9FZJCluGcQjlFAlG7dob2BHSiVNZOxAMKAgJqLNJ ADxLtQEXu/+vVPvUgaKPj4PxWVj5t0hMFFRl7HrlAfygtFEVZpT0YlmtHLzuc2dw ONKw/sQVuuYER05sOJS5FcT5g/PN5M6dp99hByMmzdzdU/3EAArGpT73xGc/9UOk zxuo/bb9Rz1WfOKNR1w4Yem+GXejewzgk2wARvMqFz/N/uHS6Jo= =0/mm -----END PGP SIGNATURE----- Merge tag 'edac_urgent_for_v6.9_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC fixes from Borislav Petkov: - Fix error logging and check user-supplied data when injecting an error in the versal EDAC driver * tag 'edac_urgent_for_v6.9_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/versal: Do not log total error counts EDAC/versal: Check user-supplied data before injecting an error EDAC/versal: Do not register for NOC errors |
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Linus Torvalds
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ef09525775 |
powerpc fixes for 6.9 #4
- Fix incorrect delay handling in the plpks (keystore) code. - Fix a panic when an LPAR boots with a frozen PE. Thanks to: Andrew Donnellan, Gaurav Batra, Nageswara R Sastry, Nayna Jain. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmY2z48THG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgPUSD/9WabE3opBZO8R+ApyocbOHpWS7rtHQ u8pVfAGPREGHT2CEMXEfVIEaUCPkavcbVrQKaJw6G0B/fxScAvI9DaAFKqhp9O9B lARdcg3qiOcw08uAGjNz9EHopvROUz94MM/Wy7vTYnjpVjqjtOy+3fTpYtxmgnn5 vi47V5kzHjMr5Hj4RHLa6LpBVXMD6JzWbul/ravQZKGySVpO3VXfaSW8l1P6oHUt TDZnsXRbWnf8H3mwefYHMEfcY07Uj1FhRYOyHMoeMUNE0zRWs4c8UHyRpptxSpsX 8V5lQJIZt5wgR+aTIESjRyUqTNxkgyqbnxLco7eiJ1Rl8FEAuyGFi083ZAjvFQC9 Z8Uff/+USIc6fRFGnQbIVpb296FDSxQZ63POYebldjHi/mR7/ECUbUKYih5o2CSF VTQCybcG2Notus2MH7RbI3GPnM/ZKAbV/vUbJk4IuzZ9gUDzS7yQr2hkZF8ciMEk ZSajmQI5DlBrJPVpwNU7xjZVW/BLmbxRBLNwEM/LrIPp//smSmA0yQ6AiRNmu0Tj /tUCVQgA0yQh2SYlsxs0TrWpw7vmAQ77qBB2cWwoaz+ialEO0uDFRkciwY/qh81A B9lhLt56WJuz/ProD/kuUOkItNafiRaO1+0nzHPvxA5F9lfOYcw8xKIL0SZDFKnX oomyiYDWE4/Ewg== =nXL6 -----END PGP SIGNATURE----- Merge tag 'powerpc-6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix incorrect delay handling in the plpks (keystore) code - Fix a panic when an LPAR boots with a frozen PE Thanks to Andrew Donnellan, Gaurav Batra, Nageswara R Sastry, and Nayna Jain. * tag 'powerpc-6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE powerpc/pseries: make max polling consistent for longer H_CALLs |
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Linus Torvalds
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d099637d07 |
Misc fixes:
- Remove the broken vsyscall emulation code from
the page fault code.
- Fix kexec crash triggered by certain SEV RMP
table layouts.
- Fix unchecked MSR access error when disabling
the x2APIC via iommu=off.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Remove the broken vsyscall emulation code from
the page fault code
- Fix kexec crash triggered by certain SEV RMP
table layouts
- Fix unchecked MSR access error when disabling
the x2APIC via iommu=off
* tag 'x86-urgent-2024-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Remove broken vsyscall emulation code from the page fault code
x86/apic: Don't access the APIC when disabling x2APIC
x86/sev: Add callback to apply RMP table fixups for kexec
x86/e820: Add a new e820 table update helper
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Linus Torvalds
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80f8b450bf |
Fix suspicious RCU usage in __do_softirq().
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmY3SxERHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1irFBAAkF7nMNof2kDXmHqeINNp0ZreVYEcVnTM S0xTUCvJ1C0UQgxPqOOlpODfOJLANqBS/xpwWTxzvdDemXDTAEeaiZz2wmiS77qG 8Q98k39AOH1gynSIoZE9df4tniw2WxYaU5CMveT85YeMIW8rE3B0i/uNyrsCPJDw P9Bv0rBc96hbrFs32alVcix6YN1QySo8O9oZW+rRQndh8zd1lBCKVKC2QCGGLh7b pS45F0vJt6mVmdVURWvGtoaIh5PKNPBP1exfJow79AgogMuLgXm9JHltErgWc55L b508AjH29pKGb0a54hUaLAnXk1Fmu7xGZkQWIwUO7/U2ZYUR+3/eQ8UVoGhcole+ nS/jew1er4W4/KLqhThKnNSuJaQeLljKbbsOK0bk4Dv1NTfiu83WIxgwVBZfR5Dx zZSG+PNcLxqVQDUz+bicy0l31x2bwGEjBnop9llPz/h+eeJHD7i3LVi+wVtrIyeP iLaRQVvFSgkFECJglq4aPBZ30bqU387hE9oKx+FW0WCUO6CWMg+rjqs8/MSAB31H 8HKk9WxAWxlOdlAoESJawVLJxuAKHnVdgfilKjiBH5j5nUUB59cLNEcK+nA6W9t2 ooGsIEiFNB1Uvt01awcSDOPUaE47H490gdZS4uuz93dTtBX6uPc+wYX0elrR8t7p /JRDKNBhlIg= =ZLyW -----END PGP SIGNATURE----- Merge tag 'irq-urgent-2024-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Ingo Molnar: "Fix suspicious RCU usage in __do_softirq()" * tag 'irq-urgent-2024-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: softirq: Fix suspicious RCU usage in __do_softirq() |
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Linus Torvalds
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b9158815de |
Char/Misc driver fixes for 6.9-rc7
Here are some small char/misc/other driver fixes and new device ids for 6.9-rc7 that resolve some reported problems. Included in here are: - iio driver fixes - mei driver fix and new device ids - dyndbg bugfix - pvpanic-pci driver bugfix - slimbus driver bugfix - fpga new device id All have been in linux-next with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZjdD2Q8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yk38wCeJeUXW4/yQ4BTj7cHir0aOowVs+UAnAxCUwzt NpooaVg3v9tzLtvAOp1O =YfmA -----END PGP SIGNATURE----- Merge tag 'char-misc-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some small char/misc/other driver fixes and new device ids for 6.9-rc7 that resolve some reported problems. Included in here are: - iio driver fixes - mei driver fix and new device ids - dyndbg bugfix - pvpanic-pci driver bugfix - slimbus driver bugfix - fpga new device id All have been in linux-next with no reported problems" * tag 'char-misc-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: slimbus: qcom-ngd-ctrl: Add timeout for wait operation dyndbg: fix old BUG_ON in >control parser misc/pvpanic-pci: register attributes via pci_driver fpga: dfl-pci: add PCI subdevice ID for Intel D5005 card mei: me: add lunar lake point M DID mei: pxp: match against PCI_CLASS_DISPLAY_OTHER iio:imu: adis16475: Fix sync mode setting iio: accel: mxc4005: Reset chip on probe() and resume() iio: accel: mxc4005: Interrupt handling fixes dt-bindings: iio: health: maxim,max30102: fix compatible check iio: pressure: Fixes SPI support for BMP3xx devices iio: pressure: Fixes BME280 SPI driver data |
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Linus Torvalds
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3c15237018 |
USB driver fixes for 6.9-rc7
Here are some small USB driver fixes for reported problems for 6.9-rc7. Included in here are: - usb core fixes for found issues - typec driver fixes for reported problems - usb gadget driver fixes for reported problems - xhci build fixes - dwc3 driver fixes for reported issues All of these have been in linux-next this past week with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZjdEhQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylZ0wCgpMcwSdBww3xH3JHwYjukeW8EPKYAn3N3CBb+ s/e/cETFHgg8RpWq38Sy =/6D3 -----END PGP SIGNATURE----- Merge tag 'usb-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB driver fixes from Greg KH: "Here are some small USB driver fixes for reported problems for 6.9-rc7. Included in here are: - usb core fixes for found issues - typec driver fixes for reported problems - usb gadget driver fixes for reported problems - xhci build fixes - dwc3 driver fixes for reported issues All of these have been in linux-next this past week with no reported problems" * tag 'usb-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: typec: tcpm: Check for port partner validity before consuming it usb: typec: tcpm: enforce ready state when queueing alt mode vdm usb: typec: tcpm: unregister existing source caps before re-registration usb: typec: tcpm: clear pd_event queue in PORT_RESET usb: typec: tcpm: queue correct sop type in tcpm_queue_vdm_unlocked usb: Fix regression caused by invalid ep0 maxpacket in virtual SuperSpeed device usb: ohci: Prevent missed ohci interrupts usb: typec: qcom-pmic: fix pdphy start() error handling usb: typec: qcom-pmic: fix use-after-free on late probe errors usb: gadget: f_fs: Fix a race condition when processing setup packets. USB: core: Fix access violation during port device removal usb: dwc3: core: Prevent phy suspend during init usb: xhci-plat: Don't include xhci.h usb: gadget: uvc: use correct buffer size when parsing configfs lists usb: gadget: composite: fix OS descriptors w_value logic usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete |
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Linus Torvalds
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3f1d086500 |
Input updates for v6.9-rc6
- a new ID for ASUS ROG RAIKIRI controllers added to xpad driver - amimouse driver structure annotated with __refdata to prevent section mismatch warnings. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCZjb8AwAKCRBAj56VGEWX nEyMAP99BLxJkuEq6nyiHuAvXUpDAX/unCZmsCyt/p5Q2dEfGgEAoDn1Al+0EIb4 yLqu6IeHPh7YGQ/oS0CFJYrZeURyzwY= =oso0 -----END PGP SIGNATURE----- Merge tag 'input-for-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - a new ID for ASUS ROG RAIKIRI controllers added to xpad driver - amimouse driver structure annotated with __refdata to prevent section mismatch warnings. * tag 'input-for-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: amimouse - mark driver struct with __refdata to prevent section mismatch Input: xpad - add support for ASUS ROG RAIKIRI |
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Linus Torvalds
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2c17a1cd90 |
Probes fixes for v6.9-rc6:
- probe-events: Fix memory leak in parsing probe argument. There is a memory leak (forget to free an allocated buffer) in a memory allocation failure path. Fixes it to jump to the correct error handling code. -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmY2NRQbHG1hc2FtaS5o aXJhbWF0c3VAZ21haWwuY29tAAoJENv7B78FKz8bIacH/RmSQaraWiwQmMaWT8Pp wotOxtMYnl2uLNeVx3vn55+G1Xr/rJP3E9EBGTa+HMPky3trea07eBM5B3UnwT2y Y75Nhm6z3SFaLBygdKmQZgyIJF1W9w6J1cfqPwPlfR3h08a/9rNojd/DKBo7fLjk uwGAUHsB6sNhTvRF64wtr+I7V+8CGwNnApyQvf/mLnHsELerzm86nxDhXcfIvb1P UbM4nupqrV3QYCLYdXmma34PFFJzS3ioINGn692QtHFOSEdSwJfqsNv6AU/w98zD 8o2rlSadc64Yl74vMLFRtBVS3K49VQXNgUUXjx2Gpj9/v80qn+B41HwaNSl1Lagx lIY= =tob5 -----END PGP SIGNATURE----- Merge tag 'probes-fixes-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull probes fix from Masami Hiramatsu: - probe-events: Fix memory leak in parsing probe argument. There is a memory leak (forget to free an allocated buffer) in a memory allocation failure path. Fix it to jump to the correct error handling code. * tag 'probes-fixes-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing/probes: Fix memory leak in traceprobe_parse_probe_arg_body() |
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Linus Torvalds
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e92b99ae82 |
tracing and tracefs fixes for v6.9
- Fix RCU callback of freeing an eventfs_inode. The freeing of the eventfs_inode from the kref going to zero freed the contents of the eventfs_inode and then used kfree_rcu() to free the inode itself. But the contents should also be protected by RCU. Switch to a call_rcu() that calls a function to free all of the eventfs_inode after the RCU synchronization. - The tracing subsystem maps its own descriptor to a file represented by eventfs. The freeing of this descriptor needs to know when the last reference of an eventfs_inode is released, but currently there is no interface for that. Add a "release" callback to the eventfs_inode entry array that allows for freeing of data that can be referenced by the eventfs_inode being opened. Then increment the ref counter for this descriptor when the eventfs_inode file is created, and decrement/free it when the last reference to the eventfs_inode is released and the file is removed. This prevents races between freeing the descriptor and the opening of the eventfs file. - Fix the permission processing of eventfs. The change to make the permissions of eventfs default to the mount point but keep track of when changes were made had a side effect that could cause security concerns. When the tracefs is remounted with a given gid or uid, all the files within it should inherit that gid or uid. But if the admin had changed the permission of some file within the tracefs file system, it would not get updated by the remount. This caused the kselftest of file permissions to fail the second time it is run. The first time, all changes would look fine, but the second time, because the changes were "saved", the remount did not reset them. Create a link list of all existing tracefs inodes, and clear the saved flags on them on a remount if the remount changes the corresponding gid or uid fields. This also simplifies the code by removing the distinction between the toplevel eventfs and an instance eventfs. They should both act the same. They were different because of a misconception due to the remount not resetting the flags. Now that remount resets all the files and directories to default to the root node if a uid/gid is specified, it makes the logic simpler to implement. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZjXxzxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qqzGAQCX8g7gtngGgwSsWqPW5GmecCifwFja k7cVEDhMYPnDeAEAkYi2ZBgJRkPsWPfMRClDK/DXP4woOo58asxtIxfTMgg= =mCkt -----END PGP SIGNATURE----- Merge tag 'trace-v6.9-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing and tracefs fixes from Steven Rostedt: - Fix RCU callback of freeing an eventfs_inode. The freeing of the eventfs_inode from the kref going to zero freed the contents of the eventfs_inode and then used kfree_rcu() to free the inode itself. But the contents should also be protected by RCU. Switch to a call_rcu() that calls a function to free all of the eventfs_inode after the RCU synchronization. - The tracing subsystem maps its own descriptor to a file represented by eventfs. The freeing of this descriptor needs to know when the last reference of an eventfs_inode is released, but currently there is no interface for that. Add a "release" callback to the eventfs_inode entry array that allows for freeing of data that can be referenced by the eventfs_inode being opened. Then increment the ref counter for this descriptor when the eventfs_inode file is created, and decrement/free it when the last reference to the eventfs_inode is released and the file is removed. This prevents races between freeing the descriptor and the opening of the eventfs file. - Fix the permission processing of eventfs. The change to make the permissions of eventfs default to the mount point but keep track of when changes were made had a side effect that could cause security concerns. When the tracefs is remounted with a given gid or uid, all the files within it should inherit that gid or uid. But if the admin had changed the permission of some file within the tracefs file system, it would not get updated by the remount. This caused the kselftest of file permissions to fail the second time it is run. The first time, all changes would look fine, but the second time, because the changes were "saved", the remount did not reset them. Create a link list of all existing tracefs inodes, and clear the saved flags on them on a remount if the remount changes the corresponding gid or uid fields. This also simplifies the code by removing the distinction between the toplevel eventfs and an instance eventfs. They should both act the same. They were different because of a misconception due to the remount not resetting the flags. Now that remount resets all the files and directories to default to the root node if a uid/gid is specified, it makes the logic simpler to implement. * tag 'trace-v6.9-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: eventfs: Have "events" directory get permissions from its parent eventfs: Do not treat events directory different than other directories eventfs: Do not differentiate the toplevel events directory tracefs: Still use mount point as default permissions for instances tracefs: Reset permissions on remount if permissions are options eventfs: Free all of the eventfs_inode after RCU eventfs/tracing: Add callback for release of an eventfs_inode |
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Linus Torvalds
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4fbcf58590 |
dma-mapping fix for Linux 6.9
- fix the combination of restricted pools and dynamic swiotlb
(Will Deacon)
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Merge tag 'dma-mapping-6.9-2024-05-04' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
- fix the combination of restricted pools and dynamic swiotlb
(Will Deacon)
* tag 'dma-mapping-6.9-2024-05-04' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y
|
||
|
Linus Torvalds
|
61ccc8c3e5 |
A handful of clk driver fixes:
- Avoid a deadlock in the Qualcomm clk driver by making the regulator
which supplies the GDSC optional.
- Restore RPM clks on Qualcomm msm8976 by setting num_clks.
- Fix Allwinner H6 CPU rate changing logic to avoid system crashes by
temporarily reparenting the CPU clk to something that isn't being
changed.
- Set a MIPI PLL min/max rate on Allwinner A64 to fix blank screens on
some devices.
- Revert back to of_match_device() in the Samsung clkout driver to get
the match data based on the parent device's compatible string.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of clk driver fixes:
- Avoid a deadlock in the Qualcomm clk driver by making the regulator
which supplies the GDSC optional
- Restore RPM clks on Qualcomm msm8976 by setting num_clks
- Fix Allwinner H6 CPU rate changing logic to avoid system crashes by
temporarily reparenting the CPU clk to something that isn't being
changed
- Set a MIPI PLL min/max rate on Allwinner A64 to fix blank screens
on some devices
- Revert back to of_match_device() in the Samsung clkout driver to
get the match data based on the parent device's compatible string"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: samsung: Revert "clk: Use device_get_match_data()"
clk: sunxi-ng: a64: Set minimum and maximum rate for PLL-MIPI
clk: sunxi-ng: common: Support minimum and maximum rate
clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change
clk: qcom: smd-rpm: Restore msm8976 num_clk
clk: qcom: gdsc: treat optional supplies as optional
|
||
Steven Rostedt (Google)
|
d57cf30c4c |
eventfs: Have "events" directory get permissions from its parent
The events directory gets its permissions from the root inode. But this
can cause an inconsistency if the instances directory changes its
permissions, as the permissions of the created directories under it should
inherit the permissions of the instances directory when directories under
it are created.
Currently the behavior is:
# cd /sys/kernel/tracing
# chgrp 1002 instances
# mkdir instances/foo
# ls -l instances/foo
[..]
-r--r----- 1 root lkp 0 May 1 18:55 buffer_total_size_kb
-rw-r----- 1 root lkp 0 May 1 18:55 current_tracer
-rw-r----- 1 root lkp 0 May 1 18:55 error_log
drwxr-xr-x 1 root root 0 May 1 18:55 events
--w------- 1 root lkp 0 May 1 18:55 free_buffer
drwxr-x--- 2 root lkp 0 May 1 18:55 options
drwxr-x--- 10 root lkp 0 May 1 18:55 per_cpu
-rw-r----- 1 root lkp 0 May 1 18:55 set_event
All the files and directories under "foo" has the "lkp" group except the
"events" directory. That's because its getting its default value from the
mount point instead of its parent.
Have the "events" directory make its default value based on its parent's
permissions. That now gives:
# ls -l instances/foo
[..]
-rw-r----- 1 root lkp 0 May 1 21:16 buffer_subbuf_size_kb
-r--r----- 1 root lkp 0 May 1 21:16 buffer_total_size_kb
-rw-r----- 1 root lkp 0 May 1 21:16 current_tracer
-rw-r----- 1 root lkp 0 May 1 21:16 error_log
drwxr-xr-x 1 root lkp 0 May 1 21:16 events
--w------- 1 root lkp 0 May 1 21:16 free_buffer
drwxr-x--- 2 root lkp 0 May 1 21:16 options
drwxr-x--- 10 root lkp 0 May 1 21:16 per_cpu
-rw-r----- 1 root lkp 0 May 1 21:16 set_event
Link: https://lore.kernel.org/linux-trace-kernel/20240502200906.161887248@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes:
|
||
|
Steven Rostedt (Google)
|
22e61e15af |
eventfs: Do not treat events directory different than other directories
Treat the events directory the same as other directories when it comes to
permissions. The events directory was considered different because it's
dentry is persistent, whereas the other directory dentries are created
when accessed. But the way tracefs now does its ownership by using the
root dentry's permissions as the default permissions, the events directory
can get out of sync when a remount is performed setting the group and user
permissions.
Remove the special case for the events directory on setting the
attributes. This allows the updates caused by remount to work properly as
well as simplifies the code.
Link: https://lore.kernel.org/linux-trace-kernel/20240502200906.002923579@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes:
|
||
|
Steven Rostedt (Google)
|
d53891d348 |
eventfs: Do not differentiate the toplevel events directory
The toplevel events directory is really no different than the events
directory of instances. Having the two be different caused
inconsistencies and made it harder to fix the permissions bugs.
Make all events directories act the same.
Link: https://lore.kernel.org/linux-trace-kernel/20240502200905.846448710@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes:
|
||
|
Steven Rostedt (Google)
|
6599bd5517 |
tracefs: Still use mount point as default permissions for instances
If the instances directory's permissions were never change, then have it
and its children use the mount point permissions as the default.
Currently, the permissions of instance directories are determined by the
instance directory's permissions itself. But if the tracefs file system is
remounted and changes the permissions, the instance directory and its
children should use the new permission.
But because both the instance directory and its children use the instance
directory's inode for permissions, it misses the update.
To demonstrate this:
# cd /sys/kernel/tracing/
# mkdir instances/foo
# ls -ld instances/foo
drwxr-x--- 5 root root 0 May 1 19:07 instances/foo
# ls -ld instances
drwxr-x--- 3 root root 0 May 1 18:57 instances
# ls -ld current_tracer
-rw-r----- 1 root root 0 May 1 18:57 current_tracer
# mount -o remount,gid=1002 .
# ls -ld instances
drwxr-x--- 3 root root 0 May 1 18:57 instances
# ls -ld instances/foo/
drwxr-x--- 5 root root 0 May 1 19:07 instances/foo/
# ls -ld current_tracer
-rw-r----- 1 root lkp 0 May 1 18:57 current_tracer
Notice that changing the group id to that of "lkp" did not affect the
instances directory nor its children. It should have been:
# ls -ld current_tracer
-rw-r----- 1 root root 0 May 1 19:19 current_tracer
# ls -ld instances/foo/
drwxr-x--- 5 root root 0 May 1 19:25 instances/foo/
# ls -ld instances
drwxr-x--- 3 root root 0 May 1 19:19 instances
# mount -o remount,gid=1002 .
# ls -ld current_tracer
-rw-r----- 1 root lkp 0 May 1 19:19 current_tracer
# ls -ld instances
drwxr-x--- 3 root lkp 0 May 1 19:19 instances
# ls -ld instances/foo/
drwxr-x--- 5 root lkp 0 May 1 19:25 instances/foo/
Where all files were updated by the remount gid update.
Link: https://lore.kernel.org/linux-trace-kernel/20240502200905.686838327@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes:
|
||
|
Steven Rostedt (Google)
|
baa23a8d43 |
tracefs: Reset permissions on remount if permissions are options
There's an inconsistency with the way permissions are handled in tracefs.
Because the permissions are generated when accessed, they default to the
root inode's permission if they were never set by the user. If the user
sets the permissions, then a flag is set and the permissions are saved via
the inode (for tracefs files) or an internal attribute field (for
eventfs).
But if a remount happens that specify the permissions, all the files that
were not changed by the user gets updated, but the ones that were are not.
If the user were to remount the file system with a given permission, then
all files and directories within that file system should be updated.
This can cause security issues if a file's permission was updated but the
admin forgot about it. They could incorrectly think that remounting with
permissions set would update all files, but miss some.
For example:
# cd /sys/kernel/tracing
# chgrp 1002 current_tracer
# ls -l
[..]
-rw-r----- 1 root root 0 May 1 21:25 buffer_size_kb
-rw-r----- 1 root root 0 May 1 21:25 buffer_subbuf_size_kb
-r--r----- 1 root root 0 May 1 21:25 buffer_total_size_kb
-rw-r----- 1 root lkp 0 May 1 21:25 current_tracer
-rw-r----- 1 root root 0 May 1 21:25 dynamic_events
-r--r----- 1 root root 0 May 1 21:25 dyn_ftrace_total_info
-r--r----- 1 root root 0 May 1 21:25 enabled_functions
Where current_tracer now has group "lkp".
# mount -o remount,gid=1001 .
# ls -l
-rw-r----- 1 root tracing 0 May 1 21:25 buffer_size_kb
-rw-r----- 1 root tracing 0 May 1 21:25 buffer_subbuf_size_kb
-r--r----- 1 root tracing 0 May 1 21:25 buffer_total_size_kb
-rw-r----- 1 root lkp 0 May 1 21:25 current_tracer
-rw-r----- 1 root tracing 0 May 1 21:25 dynamic_events
-r--r----- 1 root tracing 0 May 1 21:25 dyn_ftrace_total_info
-r--r----- 1 root tracing 0 May 1 21:25 enabled_functions
Everything changed but the "current_tracer".
Add a new link list that keeps track of all the tracefs_inodes which has
the permission flags that tell if the file/dir should use the root inode's
permission or not. Then on remount, clear all the flags so that the
default behavior of using the root inode's permission is done for all
files and directories.
Link: https://lore.kernel.org/linux-trace-kernel/20240502200905.529542160@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes:
|
||
|
Steven Rostedt (Google)
|
ee4e037947 |
eventfs: Free all of the eventfs_inode after RCU
The freeing of eventfs_inode via a kfree_rcu() callback. But the content
of the eventfs_inode was being freed after the last kref. This is
dangerous, as changes are being made that can access the content of an
eventfs_inode from an RCU loop.
Instead of using kfree_rcu() use call_rcu() that calls a function to do
all the freeing of the eventfs_inode after a RCU grace period has expired.
Link: https://lore.kernel.org/linux-trace-kernel/20240502200905.370261163@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes:
|
||
|
Steven Rostedt (Google)
|
b63db58e2f |
eventfs/tracing: Add callback for release of an eventfs_inode
Synthetic events create and destroy tracefs files when they are created
and removed. The tracing subsystem has its own file descriptor
representing the state of the events attached to the tracefs files.
There's a race between the eventfs files and this file descriptor of the
tracing system where the following can cause an issue:
With two scripts 'A' and 'B' doing:
Script 'A':
echo "hello int aaa" > /sys/kernel/tracing/synthetic_events
while :
do
echo 0 > /sys/kernel/tracing/events/synthetic/hello/enable
done
Script 'B':
echo > /sys/kernel/tracing/synthetic_events
Script 'A' creates a synthetic event "hello" and then just writes zero
into its enable file.
Script 'B' removes all synthetic events (including the newly created
"hello" event).
What happens is that the opening of the "enable" file has:
{
struct trace_event_file *file = inode->i_private;
int ret;
ret = tracing_check_open_get_tr(file->tr);
[..]
But deleting the events frees the "file" descriptor, and a "use after
free" happens with the dereference at "file->tr".
The file descriptor does have a reference counter, but there needs to be a
way to decrement it from the eventfs when the eventfs_inode is removed
that represents this file descriptor.
Add an optional "release" callback to the eventfs_entry array structure,
that gets called when the eventfs file is about to be removed. This allows
for the creating on the eventfs file to increment the tracing file
descriptor ref counter. When the eventfs file is deleted, it can call the
release function that will call the put function for the tracing file
descriptor.
This will protect the tracing file from being freed while a eventfs file
that references it is being opened.
Link: https://lore.kernel.org/linux-trace-kernel/20240426073410.17154-1-Tze-nan.Wu@mediatek.com/
Link: https://lore.kernel.org/linux-trace-kernel/20240502090315.448cba46@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes:
|
||
|
Linus Torvalds
|
7367539ad4 |
cxl fix for v6.9-rc7
- Add missing RCH support for endpoint access_coordinate calculation -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE5DAy15EJMCV1R6v9YGjFFmlTOEoFAmY1CJkACgkQYGjFFmlT OEpEMA/8DR60PAMuw+4dgvM1gJotyb4Sp/QKhWBN9b1EDJ0Ti/FYaTvXWAe7hoHn yWwSzv6o/if2kNW6oUlqj2HcOclZhLiD6mlL3folJ+nIV8LmBdiTDfHnxjAGhS5f qnDWz3aYNlMY72DhY5VrCpQ6z9sVUMcPK+ueWeoG0WPODW6uU2iuYfz0S4NB1aMt D1Juyp6V048bHaIFYw6HD48DkJjBuU/X2Iu3H2jgwK6sFxG9l1tDmIiZW4GKXkKA JFQbUUUB/Aw2CxkKAj475njZ69i+PiKA/zHMgkdmjW2BKJoGsQIoVDboeZNwmblw U67YwiJGUTw1BlI0Wp+M799WNCeq42Eo0bXoPEVgYaYdoEl00Gz4mLEvv9ma0ckn O1yWsZ8KjnR/UP3bCqHT4bxXVbcblBaD7nLerB4r2/+LkdlJLOlQCqqJGk5cFHky oW84jG8lR9pXo+xjFkvkfOhBj7IMbGdRTXruroj5URnqDYaqpR5gn3YYbmsVvQUX hXoRqGgK3qXVG5BFR5oi9/s8tKfiaSGC7qoGaFocFUR+ZUZmuBmoTkrsRL4kHW0t 8HUTyjYXh/5NjDYHIagfzTjweBppgr2pCjcf59ilj/q+jX6BgN4duHoRoo7MWjW9 MRyQLK9H6KnVh9A36gqpu3I2d1k1yjDcCclcmeIygvXy7qBQeL8= =CqsW -----END PGP SIGNATURE----- Merge tag 'cxl-fixes-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull cxl fix from Dave Jiang: "Add missing RCH support for endpoint access_coordinate calculation. A late bug was reported by Robert Richter that the Restricted CXL Host (RCH) support was missing in the CXL endpoint access_coordinate calculation. The missing support causes the topology iterator to stumble over a NULL pointer and triggers a kernel OOPS on a platform with CXL 1.1 support. The fix bypasses RCH topology as the access_coordinate calculation is not necessary since RCH does not support hotplug and the memory region exported should be covered by the HMAT table already. A unit test is also added to cxl_test to check against future regressions on the topology iterator" * tag 'cxl-fixes-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: cxl: Fix cxl_endpoint_get_perf_coordinate() support for RCH |
||
|
Linus Torvalds
|
ddb4c3f25b |
xen: branch for v6.9-rc7
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCZjTV0gAKCRCAXGG7T9hj vlCoAP4wxpMiuAi7AR2PGUiSeGjH/RwDBJR8xBXJawwpzou8TwD/eWK0uYGYyfAr R1P2KQcOynBibNQ8iNvVkYjO270v5QY= =/4ly -----END PGP SIGNATURE----- Merge tag 'for-linus-6.9a-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "Two fixes when running as Xen PV guests for issues introduced in the 6.9 merge window, both related to apic id handling" * tag 'for-linus-6.9a-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: x86/xen: return a sane initial apic id when running as PV guest x86/xen/smp_pv: Register the boot CPU APIC properly |
||
|
Linus Torvalds
|
f094ee78e0 |
EFI fix for v6.9 (#1)
- Avoid triggering the softlockup watchdog when accepting large chunks of memory from the hypervisor -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZjS4yAAKCRAwbglWLn0t XIOQAPkBZlRdhlbegKjguyvVk9S6EKAgA1j94L/gK8ZL9olbUwD/fEuBIm+U2wtv Ntulu0l5kiHSJzC8lwsUdtUSd+ovUQg= =o5dU -----END PGP SIGNATURE----- Merge tag 'efi-urgent-for-v6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI fix from Ard Biesheuvel: "This works around a shortcoming in the memory acceptation API, which may apparently hog the CPU for long enough to trigger the softlockup watchdog. Note that this only affects confidential VMs running under the Intel TDX hypervisor, which is why I accepted this for now, but this should obviously be fixed properly in the future" * tag 'efi-urgent-for-v6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi/unaccepted: touch soft lockup during memory accept |
||
|
Linus Torvalds
|
3d25a941ea |
block-6.9-20240503
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmY09JYQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpvYID/wNyZxtEc4VP7u6fqwzawdf6Cawi+rJ0MN+ 7fJATnV9Az7Jh7vy7XTDJ01yUe7u/uMvep4XrXuR38Pq5Kfu8jMx1BJ2M2tBJzr3 s2UWgiWSlCQuhKJsAstEVoimMBYggreS7fVYoTzs4b4ZixJF9mVyjUMxSIKj7N19 S3iyzb4CwJw5EhB7vZqIoi0wzaHfRvyXP0ssYlBC2yY7r04N+RjY1q7IrwsLey8f n6j6bHENbfKd/fY3clb0MilXAsfYMAdMhl4vyK/8Z0Lfe+sjeRz7z++1nRASd/cE Sc6GW/Dp4xtgJU63VT/bYEPxwo4ZLDoutgrq3SI0kxOVks+JDPnLBVoDdPyJhEct dZWm4ZThuD5DJ1kEIAsiDaHsy/konhvcPnR1tDZYgs4K4uOvP5XJKnl/qlAd+Hud 4MXahuoIrV8XONuUjKXWEQ5mdekPV00JpYGgc4BTKR6DiNkFx4OPR/gnYYR1aDLS uASXNBwaqYTu+iMiqYYW2m1ryagtCChVh510gjUZBxFTLGR95RwTZDTgVUqeVbTK ZkQh9uhmYGOzVWEKIlGc903TcmA2EByq+rPIewc7WJfFp/Ob1YamgUVUfWUVnAG6 KBKfWRGzeQHkf2QHOeThWVlGXr7gDHtS5fib27aPXaW/gTc3qveBl3GxfT1Nxo+z y1TbxWfnEA== =of/D -----END PGP SIGNATURE----- Merge tag 'block-6.9-20240503' of git://git.kernel.dk/linux Pull block fixes from Jens Axboe: "Nothing major in here - an nvme pull request with mostly auth/tcp fixes, and a single fix for ublk not setting segment count and size limits" * tag 'block-6.9-20240503' of git://git.kernel.dk/linux: nvme-tcp: strict pdu pacing to avoid send stalls on TLS nvmet: fix nvme status code when namespace is disabled nvmet-tcp: fix possible memory leak when tearing down a controller nvme: cancel pending I/O if nvme controller is in terminal state nvmet-auth: replace pr_debug() with pr_err() to report an error. nvmet-auth: return the error code to the nvmet_auth_host_hash() callers nvme: find numa distance only if controller has valid numa id ublk: remove segment count and size limits nvme: fix warn output about shared namespaces without CONFIG_NVME_MULTIPATH |
||
|
Linus Torvalds
|
7dc78c7b44 |
sound fixes for 6.9-rc7
As usual in a late stage, we received a fair amount of fixes for ASoC, and it became bigger than wished. But all fixes are rather device- specific, and they look pretty safe to apply. A major par of changes are series of fixes for ASoC meson and SOF drivers as well as for Realtek and Cirrus codecs. In addition, recent emu10k1 regression fixes and usual HD-audio quirks are included. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmY0n6wOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE8PqA/7BB6G1i3ARX7MusxZA/bqoEQ5nVhocs/WJGos WCUTc6GH9uWvpBE+dY3/9IQemnndb5LaKuIK8Bh1ooTdHiu431X4cXPqX5U2gvbW iHom2Mk7KFPVqQEzx0QV4i5gc68G3FMgwi2G6FMx4APaNn2XpyTweKoV9V8keBQq lpLQ5dxxeK4CJQFen5HOY0NqxtydSq4ee1wEK8UaxYWdI0U6EQ3aHqs+MvUytTvv zgfm0QUE1tWjpEg2NnVdsJsoJ7W8NQWJqhuELR+cZY2nE6c0yEZDSmVOcCe8SaDu GjsAQZ3RWIBtBnjeU9XYdtxOqviDAzxic0x0CQWS/WIk/AI4vLRBu8ke+0N92lrO XthqrbF+5Gf+SwGeh8UldInR/wFMnvatOhg91JGJfFFOq8lPSk6XG59CXc6o8Hqc G7fWxRkbPI93mSxmWdoOLfzoQLpCUw2hKt5CtKVpPs3Pw01lKUK5ypRMDxpr8yiv gJ8RpK9d1Rxvi6422B3f+/0uX/R2Lis1D28GzqJDAvR12GceJtX2Ngnto0xya3Hb n4nAUA2CP1OdaHX9652iC+7d7NI7RHFen1Pme/EvidH2aA93C5W6FzpcmI5J70AZ BCCaeHnAP4mLY2Xozi12RHb9+fBZ+OJ3nSg79EiTKyTzf11DqTZe1/QLg+gTl4Aa n4ZaTKY= =K8HF -----END PGP SIGNATURE----- Merge tag 'sound-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "As usual in a late stage, we received a fair amount of fixes for ASoC, and it became bigger than wished. But all fixes are rather device- specific, and they look pretty safe to apply. A major par of changes are series of fixes for ASoC meson and SOF drivers as well as for Realtek and Cirrus codecs. In addition, recent emu10k1 regression fixes and usual HD-audio quirks are included" * tag 'sound-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (46 commits) ALSA: hda/realtek: Fix build error without CONFIG_PM ALSA: hda/realtek: Fix conflicting PCI SSID 17aa:386f for Lenovo Legion models ALSA: hda/realtek - Set GPIO3 to default at S4 state for Thinkpad with ALC1318 ALSA: hda: intel-sdw-acpi: fix usage of device_get_named_child_node() ALSA: hda: intel-dsp-config: harden I2C/I2S codec detection ASoC: cs35l56: fix usages of device_get_named_child_node() ASoC: da7219-aad: fix usage of device_get_named_child_node() ASoC: meson: cards: select SND_DYNAMIC_MINORS ASoC: meson: axg-tdm: add continuous clock support ASoC: meson: axg-tdm-interface: manage formatters in trigger ASoC: meson: axg-card: make links nonatomic ASoC: meson: axg-fifo: use threaded irq to check periods ALSA: hda/realtek: Fix mute led of HP Laptop 15-da3001TU ALSA: emu10k1: make E-MU FPGA writes potentially more reliable ALSA: emu10k1: fix E-MU dock initialization ALSA: emu10k1: use mutex for E-MU FPGA access locking ALSA: emu10k1: move the whole GPIO event handling to the workqueue ALSA: emu10k1: factor out snd_emu1010_load_dock_firmware() ALSA: emu10k1: fix E-MU card dock presence monitoring ASoC: rt715-sdca: volume step modification ... |
||
|
Linus Torvalds
|
b5a66609a6 |
drm fixes for 6.9-rc7
amdgpu: - Fix VRAM memory accounting - DCN 3.1 fixes - DCN 2.0 fix - DCN 3.1.5 fix - DCN 3.5 fix - DCN 3.2.1 fix - DP fixes - Seamless boot fix - Fix call order in amdgpu_ttm_move() - Fix doorbell regression - Disable panel replay temporarily amdkfd: - Flush wq before creating kfd process xe: - Fix UAF on rebind worker - Fix ADL-N display integration imagination: - fix page-count macro nouveau: - avoid page-table allocation failures - fix firmware memory allocation panel: - ili9341: avoid OF for device properties; respect deferred probe; fix usage of errno codes ttm: - fix status output vmwgfx: - fix legacy display unit - fix read length in fence signalling -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmY0XiIACgkQDHTzWXnE hr5d6w/9G8KU+0lrKnCmZtC/ViEwSz19SZwTkbajCtYsO+MaZA1caA7WNFa9aD+F sMGbNaeI+5nlc84bBEKCRtln2KK5U6oyY2oEmjb23T2W2qzrOHEBU0f98DOTaHeL HDSDYP50linfOVnASKoQ7jx0x8dnO7ITS62V5ooedK9JTG8V8hhheFT1xzKyuohE SNbaHlvKOCruJCvi5G/ygZmTI17pj72u5KEE0Vr8TmxGqloxMiYwdut+gluqPfMv E6D9D+zstnUi8vWtKYW94CeIinKvA8k3IQdP5T09uKwsrNL+uJZfexNMe5/swaSo 9ugF/gpAAKxG2Hvm2u62DafCs8SP77lTg/Qy0fo2Ie5nkShOGecM0dp2GW4x7Jmn 6T0Qa3XNOcRVKpIL8wda6FGr6l1UVQUNp8IrOUZiy1W7LQkBLW7QPwjfnh7Cn+Xg VpUOc+PAV666wPtG3fv0rCjBbslgvB8z1sLSnlUTxMaq0+VHsxczs9BAigkqMH+F Zi3wUgvFf23vjYefIEkNbQrUvcjFwzRVCM0EZeM/O2o8X0PYWIgS+0OIGXPbkAPu /RCWbEBHVQqgLME/vWbktfYVjm76vhizPvoHGi451zxMhAzaQo7bhqrEVp2+IRfk HiQljceUvU4eU1Ey8ApNC8SrVs8swjmKiJNess0ujebKiLco0Hw= =B5on -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2024-05-03' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Weekly fixes, mostly made up from amdgpu and some panel changes. Otherwise xe, nouveau, vmwgfx and a couple of others, all seems pretty on track. amdgpu: - Fix VRAM memory accounting - DCN 3.1 fixes - DCN 2.0 fix - DCN 3.1.5 fix - DCN 3.5 fix - DCN 3.2.1 fix - DP fixes - Seamless boot fix - Fix call order in amdgpu_ttm_move() - Fix doorbell regression - Disable panel replay temporarily amdkfd: - Flush wq before creating kfd process xe: - Fix UAF on rebind worker - Fix ADL-N display integration imagination: - fix page-count macro nouveau: - avoid page-table allocation failures - fix firmware memory allocation panel: - ili9341: avoid OF for device properties; respect deferred probe; fix usage of errno codes ttm: - fix status output vmwgfx: - fix legacy display unit - fix read length in fence signalling" * tag 'drm-fixes-2024-05-03' of https://gitlab.freedesktop.org/drm/kernel: (25 commits) drm/xe/display: Fix ADL-N detection drm/panel: ili9341: Use predefined error codes drm/panel: ili9341: Respect deferred probe drm/panel: ili9341: Correct use of device property APIs drm/xe/vm: prevent UAF in rebind_work_func() drm/amd/display: Disable panel replay by default for now drm/amdgpu: fix doorbell regression drm/amdkfd: Flush the process wq before creating a kfd_process drm/amd/display: Disable seamless boot on 128b/132b encoding drm/amd/display: Fix DC mode screen flickering on DCN321 drm/amd/display: Add VCO speed parameter for DCN31 FPU drm/amdgpu: once more fix the call oder in amdgpu_ttm_move() v2 drm/amd/display: Allocate zero bw after bw alloc enable drm/amd/display: Fix incorrect DSC instance for MST drm/amd/display: Atom Integrated System Info v2_2 for DCN35 drm/amd/display: Add dtbclk access to dcn315 drm/amd/display: Ensure that dmcub support flag is set for DCN20 drm/amd/display: Handle Y carry-over in VCP X.Y calculation drm/amdgpu: Fix VRAM memory accounting drm/vmwgfx: Fix invalid reads in fence signaled events ... |
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|
Linus Torvalds
|
9fbc8bdf17 |
spi: Fixes for v6.9
A few small fixes for v6.9, the core fix is for issues with reuse of a spi_message in the case where we've got queued messages (a relatively rare occurrence with modern code so it wasn't noticed in testing). We also avoid an issue with the Kunpeng driver by simply removing the debug interface that could trigger it, and address issues with confusing and corrupted output when printing the IP version of the AXI SPI engine. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmY0RbIACgkQJNaLcl1U h9Ao1wf/dSEewEiXc7VX1vVyF0LnHU71/36b/cJCLFErUNckHvDOa6Be3P0W8ThP WQrbpVizvSCr29hvyNwUtmWLdXFxjyj/69QsXT7NtNCofJTV9kQ5ILgtsj/Pe8Yr aVInONIqyuZlv3xEiRQIt+vnxmz3JM2zVdjFjcj1CrKpEbOob4VGUgwMLi0itvCJ F5WKiVDUMW/LnbEW5mPPyIPbAN1mKGKyGtW4Z9968/BYvUQzz5vzPOst0zvmkHJo SZ47n8G7rbcZXJB4TX62fOTp5gIm+/JQZKQ75MhmxlqYE4/ztZLsvqb9pG86c0+K NqJA/Yjs5rTE5oeIDwBUlSY8Orh0fA== =OIWj -----END PGP SIGNATURE----- Merge tag 'spi-fix-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "A few small fixes for v6.9, The core fix is for issues with reuse of a spi_message in the case where we've got queued messages (a relatively rare occurrence with modern code so it wasn't noticed in testing). We also avoid an issue with the Kunpeng driver by simply removing the debug interface that could trigger it, and address issues with confusing and corrupted output when printing the IP version of the AXI SPI engine" * tag 'spi-fix-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: fix null pointer dereference within spi_sync spi: hisi-kunpeng: Delete the dump interface of data registers in debugfs spi: axi-spi-engine: fix version format string |
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Marc Zyngier
|
8540bd1b99 |
Merge branch kvm-arm64/pkvm-6.10 into kvmarm-master/next
* kvm-arm64/pkvm-6.10: (25 commits)
: .
: At last, a bunch of pKVM patches, courtesy of Fuad Tabba.
: From the cover letter:
:
: "This series is a bit of a bombay-mix of patches we've been
: carrying. There's no one overarching theme, but they do improve
: the code by fixing existing bugs in pKVM, refactoring code to
: make it more readable and easier to re-use for pKVM, or adding
: functionality to the existing pKVM code upstream."
: .
KVM: arm64: Force injection of a data abort on NISV MMIO exit
KVM: arm64: Restrict supported capabilities for protected VMs
KVM: arm64: Refactor setting the return value in kvm_vm_ioctl_enable_cap()
KVM: arm64: Document the KVM/arm64-specific calls in hypercalls.rst
KVM: arm64: Rename firmware pseudo-register documentation file
KVM: arm64: Reformat/beautify PTP hypercall documentation
KVM: arm64: Clarify rationale for ZCR_EL1 value restored on guest exit
KVM: arm64: Introduce and use predicates that check for protected VMs
KVM: arm64: Add is_pkvm_initialized() helper
KVM: arm64: Simplify vgic-v3 hypercalls
KVM: arm64: Move setting the page as dirty out of the critical section
KVM: arm64: Change kvm_handle_mmio_return() return polarity
KVM: arm64: Fix comment for __pkvm_vcpu_init_traps()
KVM: arm64: Prevent kmemleak from accessing .hyp.data
KVM: arm64: Do not map the host fpsimd state to hyp in pKVM
KVM: arm64: Rename __tlb_switch_to_{guest,host}() in VHE
KVM: arm64: Support TLB invalidation in guest context
KVM: arm64: Avoid BBM when changing only s/w bits in Stage-2 PTE
KVM: arm64: Check for PTE validity when checking for executable/cacheable
KVM: arm64: Avoid BUG-ing from the host abort path
...
Signed-off-by: Marc Zyngier <maz@kernel.org>
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Marc Zyngier
|
3d5689e01a |
Merge branch kvm-arm64/lpi-xa-cache into kvmarm-master/next
* kvm-arm64/lpi-xa-cache: : . : New and improved LPI translation cache from Oliver Upton. : : From the cover letter: : : "As discussed [*], here is the new take on the LPI translation cache, : migrating to an xarray indexed by (devid, eventid) per ITS. : : The end result is quite satisfying, as it becomes possible to rip out : other nasties such as the lpi_list_lock. To that end, patches 2-6 aren't : _directly_ related to the translation cache cleanup, but instead are : done to enable the cleanups at the end of the series. : : I changed out my test machine from the last time so the baseline has : moved a bit, but here are the results from the vgic_lpi_stress test: : : +----------------------------+------------+-------------------+ : | Configuration | v6.8-rc1 | v6.8-rc1 + series | : +----------------------------+------------+-------------------+ : | -v 1 -d 1 -e 1 -i 1000000 | 2063296.81 | 1362602.35 | : | -v 16 -d 16 -e 16 -i 10000 | 610678.33 | 5200910.01 | : | -v 16 -d 16 -e 17 -i 10000 | 678361.53 | 5890675.51 | : | -v 32 -d 32 -e 1 -i 100000 | 580918.96 | 8304552.67 | : | -v 1 -d 1 -e 17 -i 1000 | 1512443.94 | 1425953.8 | : +----------------------------+------------+-------------------+ : : Unlike last time, no dramatic regressions at any performance point. The : regression on a single interrupt stream is to be expected, as the : overheads of SRCU and two tree traversals (kvm_io_bus_get_dev(), : translation cache xarray) are likely greater than that of a linked-list : with a single node." : . KVM: selftests: Add stress test for LPI injection KVM: selftests: Use MPIDR_HWID_BITMASK from cputype.h KVM: selftests: Add helper for enabling LPIs on a redistributor KVM: selftests: Add a minimal library for interacting with an ITS KVM: selftests: Add quadword MMIO accessors KVM: selftests: Standardise layout of GIC frames KVM: selftests: Align with kernel's GIC definitions KVM: arm64: vgic-its: Get rid of the lpi_list_lock KVM: arm64: vgic-its: Rip out the global translation cache KVM: arm64: vgic-its: Use the per-ITS translation cache for injection KVM: arm64: vgic-its: Spin off helper for finding ITS by doorbell addr KVM: arm64: vgic-its: Maintain a translation cache per ITS KVM: arm64: vgic-its: Scope translation cache invalidations to an ITS KVM: arm64: vgic-its: Get rid of vgic_copy_lpi_list() KVM: arm64: vgic-debug: Use an xarray mark for debug iterator KVM: arm64: vgic-its: Walk LPI xarray in vgic_its_cmd_handle_movall() KVM: arm64: vgic-its: Walk LPI xarray in vgic_its_invall() KVM: arm64: vgic-its: Walk LPI xarray in its_sync_lpi_pending_table() KVM: Treat the device list as an rculist Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Marc Zyngier
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2d38f43930 |
Merge branch kvm-arm64/nv-eret-pauth into kvmarm-master/next
* kvm-arm64/nv-eret-pauth:
: .
: Add NV support for the ERETAA/ERETAB instructions. From the cover letter:
:
: "Although the current upstream NV support has *some* support for
: correctly emulating ERET, that support is only partial as it doesn't
: support the ERETAA and ERETAB variants.
:
: Supporting these instructions was cast aside for a long time as it
: involves implementing some form of PAuth emulation, something I wasn't
: overly keen on. But I have reached a point where enough of the
: infrastructure is there that it actually makes sense. So here it is!"
: .
KVM: arm64: nv: Work around lack of pauth support in old toolchains
KVM: arm64: Drop trapping of PAuth instructions/keys
KVM: arm64: nv: Advertise support for PAuth
KVM: arm64: nv: Handle ERETA[AB] instructions
KVM: arm64: nv: Add emulation for ERETAx instructions
KVM: arm64: nv: Add kvm_has_pauth() helper
KVM: arm64: nv: Reinject PAC exceptions caused by HCR_EL2.API==0
KVM: arm64: nv: Handle HCR_EL2.{API,APK} independently
KVM: arm64: nv: Honor HFGITR_EL2.ERET being set
KVM: arm64: nv: Fast-track 'InHost' exception returns
KVM: arm64: nv: Add trap forwarding for ERET and SMC
KVM: arm64: nv: Configure HCR_EL2 for FEAT_NV2
KVM: arm64: nv: Drop VCPU_HYP_CONTEXT flag
KVM: arm64: Constraint PAuth support to consistent implementations
KVM: arm64: Add helpers for ESR_ELx_ERET_ISS_ERET*
KVM: arm64: Harden __ctxt_sys_reg() against out-of-range values
Signed-off-by: Marc Zyngier <maz@kernel.org>
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Marc Zyngier
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34c0d5a606 |
Merge branch kvm-arm64/host_data into kvmarm-master/next
* kvm-arm64/host_data: : . : Rationalise the host-specific data to live as part of the per-CPU state. : : From the cover letter: : : "It appears that over the years, we have accumulated a lot of cruft in : the kvm_vcpu_arch structure. Part of the gunk is data that is strictly : host CPU specific, and this result in two main problems: : : - the structure itself is stupidly large, over 8kB. With the : arch-agnostic kvm_vcpu, we're above 10kB, which is insane. This has : some ripple effects, as we need physically contiguous allocation to : be able to map it at EL2 for !VHE. There is more to it though, as : some data structures, although per-vcpu, could be allocated : separately. : : - We lose track of the life-cycle of this data, because we're : guaranteed that it will be around forever and we start relying on : wrong assumptions. This is becoming a maintenance burden. : : This series rectifies some of these things, starting with the two main : offenders: debug and FP, a lot of which gets pushed out to the per-CPU : host structure. Indeed, their lifetime really isn't that of the vcpu, : but tied to the physical CPU the vpcu runs on. : : This results in a small reduction of the vcpu size, but mainly a much : clearer understanding of the life-cycle of these structures." : . KVM: arm64: Move management of __hyp_running_vcpu to load/put on VHE KVM: arm64: Exclude FP ownership from kvm_vcpu_arch KVM: arm64: Exclude host_fpsimd_state pointer from kvm_vcpu_arch KVM: arm64: Exclude mdcr_el2_host from kvm_vcpu_arch KVM: arm64: Exclude host_debug_data from vcpu_arch KVM: arm64: Add accessor for per-CPU state Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Marc Zyngier
|
9a39359903 |
KVM: arm64: Move management of __hyp_running_vcpu to load/put on VHE
The per-CPU host context structure contains a __hyp_running_vcpu that
serves as a replacement for kvm_get_current_vcpu() in contexts where
we cannot make direct use of it (such as in the nVHE hypervisor).
Since there is a lot of common code between nVHE and VHE, the latter
also populates this field even if kvm_get_running_vcpu() always works.
We currently pretty inconsistent when populating __hyp_running_vcpu
to point to the currently running vcpu:
- on {n,h}VHE, we set __hyp_running_vcpu on entry to __kvm_vcpu_run
and clear it on exit.
- on VHE, we set __hyp_running_vcpu on entry to __kvm_vcpu_run_vhe
and never clear it, effectively leaving a dangling pointer...
VHE is obviously the odd one here. Although we could make it behave
just like nVHE, this wouldn't match the behaviour of KVM with VHE,
where the load phase is where most of the context-switch gets done.
So move all the __hyp_running_vcpu management to the VHE-specific
load/put phases, giving us a bit more sanity and matching the
behaviour of kvm_get_running_vcpu().
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240502154030.3011995-1-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
|
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|
Marc Zyngier
|
838d992b84 |
KVM: arm64: Convert kvm_mpidr_index() to bitmap_gather()
Linux 6.9 has introduced new bitmap manipulation helpers, with bitmap_gather() being of special interest, as it does exactly what kvm_mpidr_index() is already doing. Make the latter a wrapper around the former. Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20240502154247.3012042-1-maz@kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org> |
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|
Marc Zyngier
|
03b3d00a70 |
KVM: arm64: vgic: Allocate private interrupts on demand
Private interrupts are currently part of the CPU interface structure that is part of each and every vcpu we create. Currently, we have 32 of them per vcpu, resulting in a per-vcpu array that is just shy of 4kB. On its own, that's no big deal, but it gets in the way of other things: - each vcpu gets mapped at EL2 on nVHE/hVHE configurations. This requires memory that is physically contiguous. However, the EL2 code has no purpose looking at the interrupt structures and could do without them being mapped. - supporting features such as EPPIs, which extend the number of private interrupts past the 32 limit would make the array even larger, even for VMs that do not use the EPPI feature. Address these issues by moving the private interrupt array outside of the vcpu, and replace it with a simple pointer. We take this opportunity to make it obvious what gets initialised when, as that path was remarkably opaque, and tighten the locking. Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20240502154545.3012089-1-maz@kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org> |
||
Viken Dadhaniya
|
98241a774d |
slimbus: qcom-ngd-ctrl: Add timeout for wait operation
In current driver qcom_slim_ngd_up_worker() indefinitely
waiting for ctrl->qmi_up completion object. This is
resulting in workqueue lockup on Kthread.
Added wait_for_completion_interruptible_timeout to
allow the thread to wait for specific timeout period and
bail out instead waiting infinitely.
Fixes:
|
||
Dave Airlie
|
09e10499ee |
Short summary of fixes pull:
imagination: - fix page-count macro nouveau: - avoid page-table allocation failures - fix firmware memory allocation panel: - ili9341: avoid OF for device properties; respect deferred probe; fix usage of errno codes ttm: - fix status output vmwgfx: - fix legacy display unit - fix read length in fence signalling -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmYz53QACgkQaA3BHVML eiP7Ggf/USKiwX3xhWFk3SLGCWYM+eflhPgyyTs4Ue8NYOd/0C7lDKtEWwSbPUlB 6Tg8FZW0OF0eLYQjl7/A0sufj/225mR8jKCmwbBg8KherqPfThxChRqh7kjcsaHR pG8yleio7oPGg4qB4hi/PENB5kVFw6s1tVPOz/X8W7V2aEVglO+9IGup6CB3TQKu 9kGHbgPVZ1SoDlXrmUmApfAy+Qqu4F8s3m8b6hYXvit3SqJl275aJIqL4fjw5Ufk DhbTfdL4ao28gOAIdRLuOlwpadMOl+rMTls8Q/FwW0Pk/S8Osu1QykhlhHBuBxzb bs3YmYwsMKeKofvLHwxrWqQVfH+TSA== =h9Cb -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2024-05-02' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: imagination: - fix page-count macro nouveau: - avoid page-table allocation failures - fix firmware memory allocation panel: - ili9341: avoid OF for device properties; respect deferred probe; fix usage of errno codes ttm: - fix status output vmwgfx: - fix legacy display unit - fix read length in fence signalling Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20240502192117.GA12158@linux.fritz.box |
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|
Dave Airlie
|
5c75d68132 |
- Fix UAF on rebind worker
- Fix ADL-N display integration -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEE6rM8lpABPHM5FqyDm6KlpjDL6lMFAmYzwBsZHGx1Y2FzLmRl bWFyY2hpQGludGVsLmNvbQAKCRCboqWmMMvqU1CtD/wN0VN/El51lYS/SZb0/PXA k1Ll+gVueVbiP2VdPq1e36B7PDZQXRCMPBCckTO5274fcaWdKF2/zHAEaMRoxn1n W3s00Tw36By6grD4fVQP5xBXiGOi1z7t80CHYblzK2lum3pEzWhwlvPtg1u8Y2p/ /3O+kKh4BXNTBgqrc8aMnbB1Ph6Ze/FmqjjRGlr/laaJQ3y76YwDD1gWj6xs5ADE HjA0tNB4AtSSQ0HosKcyeIYI+43FYf2AJBIPx0iflD/NLsujkhzFjRHHa5L97Lqb QUTRaP63GE1Ub0rtMUAMqpBQS/6u8hFmDAOXYLUj8hqjXZqnCr0kX+MEbA++A5QT XDnM2F4EMhHIEZuoVdG4OyWT6U0WjGTkl+RADqoejKsHoGIcTg/UHsr48iE1dClv K8D0bfjYiNMA7Gvw91z6SAanBc5fsE4vZ79i/2/P85WzhBEx9AWD5e8uz1i4yUI3 dteX/mHHW9+9fxkqSDeZm2ewzkiy1adzAy2zb/N8ARo7tldjB4BufRlR4a+HYCPP s2d+XWD7ia84ucQJlbkKhdRms252O5hsaXLJKe8aEr2pCfPYeZYPVsMghw7txXVQ FTGHfMo0AIZREdZ4r0z6gucI8B+Kr3mCT315f5PX09ubBmoBQMG9njcb7yPqD/nK skZ8MMPmd2ywoumBqbA32Q== =1BBP -----END PGP SIGNATURE----- Merge tag 'drm-xe-fixes-2024-05-02' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes - Fix UAF on rebind worker - Fix ADL-N display integration Signed-off-by: Dave Airlie <airlied@redhat.com> From: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/6bontwst3mbxozs6u3ad5n3g5zmaucrngbfwv4hkfhpscnwlym@wlwjgjx6pwue |
||
|
Dave Airlie
|
306eca05a5 |
amd-drm-fixes-6.9-2024-05-01:
amdgpu: - Fix VRAM memory accounting - DCN 3.1 fixes - DCN 2.0 fix - DCN 3.1.5 fix - DCN 3.5 fix - DCN 3.2.1 fix - DP fixes - Seamless boot fix - Fix call order in amdgpu_ttm_move() - Fix doorbell regression - Disable panel replay temporarily amdkfd: - Flush wq before creating kfd process -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQgO5Idg2tXNTSZAr293/aFa7yZ2AUCZjJG7gAKCRC93/aFa7yZ 2E2xAP9uleIcOO0Jfv79xbegZqOmt1pJfyC1+p3hKbbjJIuhTAEA3k+aMVVawjSH 15XWGthP2MsPwTqHBWUyS1n819xEgwM= =rcpg -----END PGP SIGNATURE----- Merge tag 'amd-drm-fixes-6.9-2024-05-01' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.9-2024-05-01: amdgpu: - Fix VRAM memory accounting - DCN 3.1 fixes - DCN 2.0 fix - DCN 3.1.5 fix - DCN 3.5 fix - DCN 3.2.1 fix - DP fixes - Seamless boot fix - Fix call order in amdgpu_ttm_move() - Fix doorbell regression - Disable panel replay temporarily amdkfd: - Flush wq before creating kfd process Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240501135054.1919108-1-alexander.deucher@amd.com |
||
|
Linus Torvalds
|
f03359bca0 |
for-6.9-rc6-tag
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||
|
Linus Torvalds
|
da87c77ebb |
s390 updates for 6.9-rc7
- The function __storage_key_init_range() expects the end address to be the first byte outside the range to be initialized. Fix the callers that provide the last byte within the range instead. - 3270 Channel Command Word (CCW) may contain zero data address in case there is no data in the request. Add data availability check to avoid erroneous non-zero value as result of virt_to_dma32(NULL) application in cases there is no data - Add missing CFI directives for an unwinder to restore the return address in the vDSO assembler code - NUL-terminate kernel buffer when duplicating user space memory region on Channel IO (CIO) debugfs write inject - Fix wrong format string in zcrypt debug output - Return -EBUSY code when a CCA card is temporarily unavailabile - Restore a loop that retries derivation of a protected key from a secure key in cases the low level reports temporarily unavailability with -EBUSY code -----BEGIN PGP SIGNATURE----- iI0EABYIADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCZjO8UhccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8C4cAQCgIOVXwXWum7VMG+2jfnR14mIb oVfiySCUevlKOZXTwgEAuZsEvYgb73YEODnCZrg2lUETfrPeG0Mm6C1L15ev9AE= =oRdp -----END PGP SIGNATURE----- Merge tag 's390-6.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Alexander Gordeev: - The function __storage_key_init_range() expects the end address to be the first byte outside the range to be initialized. Fix the callers that provide the last byte within the range instead. - 3270 Channel Command Word (CCW) may contain zero data address in case there is no data in the request. Add data availability check to avoid erroneous non-zero value as result of virt_to_dma32(NULL) application in cases there is no data - Add missing CFI directives for an unwinder to restore the return address in the vDSO assembler code - NUL-terminate kernel buffer when duplicating user space memory region on Channel IO (CIO) debugfs write inject - Fix wrong format string in zcrypt debug output - Return -EBUSY code when a CCA card is temporarily unavailabile - Restore a loop that retries derivation of a protected key from a secure key in cases the low level reports temporarily unavailability with -EBUSY code * tag 's390-6.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/paes: Reestablish retry loop in paes s390/zcrypt: Use EBUSY to indicate temp unavailability s390/zcrypt: Handle ep11 cprb return code s390/zcrypt: Fix wrong format string in debug feature printout s390/cio: Ensure the copied buf is NUL terminated s390/vdso: Add CFI for RA register to asm macro vdso_func s390/3270: Fix buffer assignment s390/mm: Fix clearing storage keys for huge pages s390/mm: Fix storage key clearing for guest huge pages |
||
|
Linus Torvalds
|
09bf0f196f |
Xtensa fixes for v6.9:
- fix unused variable warning caused by empty flush_dcache_page() definition - fix stack unwinding on windowed noMMU XIP configurations - fix Coccinelle warning 'opportunity for min()' in xtensa ISS platform code -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmYzg8gTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRKD2D/9IAjvtl7FCj8GerGCuzZY5QY3ut/jx jnH9hyO2Clw1ZwREOP6CcTD7ppR59ZH8Yi8h4c/0j5hhDHlLUdPxgJNzBFiDKhTD l7LWaWF3D4ZnqMPKkNbN8BTu3U23+/PenT7na0NruLBLLVgIPcSGXWHCCpr4PLDX oZ4daDjgju7R/vGXhrsb4g+1/t65RKwmP5eBCvWw9dY5iT5ItTuxh2ONsAaRmkEG aBZwlMez7jhnCHix5IgzEkaqg+BxQ/Db6ZFjrq17nCMereq8mQRZmQQTwH89Q37B Vs3HkMqwRpp2Xn1FxNClW4/x5qHaczPH3o3ga1ZJlvnD6gUzHeyMdAGn+1Lixrwk 4SEf6Lefsjkv6jIHyrc+rSr7bBW0pkvdJrZJEsg4PvhL1AW34oN9YNEuaYVLaoPH MjRYF59mT4k6prpuTe2umGbitqgcXqzYSIo/CUdEUIxZQg/7rnW+xSwgOXa681M0 ZnSKvPftB1On/6N9bwM48rOl1DufOMp65iqMD99ms1FsKk2n79Pw6Py1mjyWQw+X Bc73C+O4MLw/NgKel5f3Ez+tVefM6RBCw81ot2WFGpS3xcT1FyWno82+QvmyB1jJ 9H+fHlbTDt6jm1h5jdm5M5vLxt0ScL1VHcYnPeLwpplM1+aMTLt7zljnZc7Mu4yz 7vo+KrAUsHJKUg== =GG+I -----END PGP SIGNATURE----- Merge tag 'xtensa-20240502' of https://github.com/jcmvbkbc/linux-xtensa Pull xtensa fixes from Max Filippov: - fix unused variable warning caused by empty flush_dcache_page() definition - fix stack unwinding on windowed noMMU XIP configurations - fix Coccinelle warning 'opportunity for min()' in xtensa ISS platform code * tag 'xtensa-20240502' of https://github.com/jcmvbkbc/linux-xtensa: xtensa: remove redundant flush_dcache_page and ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE macros tty: xtensa/iss: Use min() to fix Coccinelle warning xtensa: fix MAKE_PC_FROM_RA second argument |
||
Juergen Gross
|
802600ebdf |
x86/xen: return a sane initial apic id when running as PV guest
With recent sanity checks for topology information added, there are now
warnings issued for APs when running as a Xen PV guest:
[Firmware Bug]: CPU 1: APIC ID mismatch. CPUID: 0x0000 APIC: 0x0001
This is due to the initial APIC ID obtained via CPUID for PV guests is
always 0.
Avoid the warnings by synthesizing the CPUID data to contain the same
initial APIC ID as xen_pv_smp_config() is using for registering the
APIC IDs of all CPUs.
Fixes:
|
||
Lucas De Marchi
|
df04b152fc |
drm/xe/display: Fix ADL-N detection
Contrary to i915, in xe ADL-N is kept as a different platform, not a subplatform of ADL-P. Since the display side doesn't need to differentiate between P and N, i.e. IS_ALDERLAKE_P_N() is never called, just fixup the compat header to check for both P and N. Moving ADL-N to be a subplatform would be more complex as the firmware loading in xe only handles platforms, not subplatforms, as going forward the direction is to check on IP version rather than platforms/subplatforms. Fix warning when initializing display: xe 0000:00:02.0: [drm:intel_pch_type [xe]] Found Alder Lake PCH ------------[ cut here ]------------ xe 0000:00:02.0: drm_WARN_ON(!((dev_priv)->info.platform == XE_ALDERLAKE_S) && !((dev_priv)->info.platform == XE_ALDERLAKE_P)) And wrong paths being taken on the display side. Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240425181610.2704633-1-lucas.demarchi@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit |
||
|
Linus Torvalds
|
49a73b1652 |
firewire: fixes for v6.9-rc6
The following two driver fixes:
* The firewire-ohci driver for 1394 OHCI hardware does not fill time stamp
for response packet when handling asynchronous transaction to local
destination. This brings an inconvenience that the response packet is not
equivalent between the transaction to local and remote. It is fixed by
fulfilling the time stamp with hardware time. The fix should be
applied to Linux kernel v6.5 or later as well.
* The nosy driver for Texas Instruments TSB12LV21A (PCILynx) has
long-standing issue about the behaviour when user space application
passes less size of buffer than expected. It is fixed by returning zero
according to the convention of UNIX-like systems.
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Merge tag 'firewire-fixes-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes from Takashi Sakamoto:
"Two driver fixes:
- The firewire-ohci driver for 1394 OHCI hardware does not fill time
stamp for response packet when handling asynchronous transaction to
local destination. This brings an inconvenience that the response
packet is not equivalent between the transaction to local and
remote. It is fixed by fulfilling the time stamp with hardware
time. The fix should be applied to Linux kernel v6.5 or later as
well.
- The nosy driver for Texas Instruments TSB12LV21A (PCILynx) has
long-standing issue about the behaviour when user space application
passes less size of buffer than expected. It is fixed by returning
zero according to the convention of UNIX-like systems"
* tag 'firewire-fixes-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: ohci: fulfill timestamp for some local asynchronous transaction
firewire: nosy: ensure user_length is taken into account when fetching packet contents
|
||
Thomas Gleixner
|
8a95db3bf8 |
x86/xen/smp_pv: Register the boot CPU APIC properly
The topology core expects the boot APIC to be registered from earhy APIC
detection first and then again when the firmware tables are evaluated. This
is used for detecting the real BSP CPU on a kexec kernel.
The recent conversion of XEN/PV to register fake APIC IDs failed to
register the boot CPU APIC correctly as it only registers it once. This
causes the BSP detection mechanism to trigger wrongly:
CPU topo: Boot CPU APIC ID not the first enumerated APIC ID: 0 > 1
Additionally this results in one CPU being ignored.
Register the boot CPU APIC twice so that the XEN/PV fake enumeration
behaves like real firmware.
Reported-by: Juergen Gross <jgross@suse.com>
Fixes:
|
||
|
Linus Torvalds
|
6aed7b97fc |
Thermal control fixes for 6.9-rc7
Fix a memory leak and a few locking issues (that may cause the kernel to crash in principle if all goes wrong) in the thermal debug code introduced during the 6.8 development cycle. -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmYzct8SHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxVDsP/0HaZuSX87xjpKPE3+oxg7JyCNUhsnFu OeoJv4bj1TcDd6KV/g2yr9gXzAXFA6Eef0f5QfcORMzzCAyux8Rb6tLP9lWIxdNK BAGcwC9Moe7QgKEuBaktRtTZd/BPPcNoln32eKRUCIY8OGm6sxucMWmiwdSwZ+mm POUOerRKM3YouUDdPCn+HeRcLm5HFMOrFOaan/WT1X1ENVNJyIAR9MWtObPghqqr vz5COoGHbCwGW8u/Lvm+Ipm2Cyr/w3n7Ro+C/KMPwoP+YVPlYpXPqRF77+OXGw/0 7cg+/VA8gWxASRn2xmktxYgUJfmJexkHFjAEpkASeJCir3Lka5Qo7lxU2LNiESBA 2eC9HFfIk02EHTj76grqQRvQLvuI2pDR369IcWDA64u57e67b+vp/njjnBFg5rGi RbCqLJBRxuC65iLzOZb+KBL8zLtYtHScHYWf9BlU1aat9W1ZZeJUq7NkvC2oWXqc uuezM564gD3Ahh5vsRq+1nlP8rGFBaFs7NbFzVTI/18OHNf7Z6hHWEq6+cit9v3q rqwDdNPmWwukjIoPJc6cfsy70yRUskkkvYQKpafK9rBMDrz1T9Sqlm9wRWhLljcF HWoNwjtSYStYNyioe4tl2i0BX3lx/8K6UuDP7LBE1WE+9Xsxk41whT0u7KdZVZjj KWXqpdF2Iz3Q =bEdF -----END PGP SIGNATURE----- Merge tag 'thermal-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull thermal control fixes from Rafael Wysocki: "Fix a memory leak and a few locking issues (that may cause the kernel to crash in principle if all goes wrong) in the thermal debug code introduced during the 6.8 development cycle" * tag 'thermal-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: thermal/debugfs: Prevent use-after-free from occurring after cdev removal thermal/debugfs: Fix two locking issues with thermal zone debug thermal/debugfs: Free all thermal zone debug memory on zone removal |
||
|
Linus Torvalds
|
545c494465 |
Including fixes from bpf.
Relatively calm week, likely due to public holiday in most places.
No known outstanding regressions.
Current release - regressions:
- rxrpc: fix wrong alignmask in __page_frag_alloc_align()
- eth: e1000e: change usleep_range to udelay in PHY mdic access
Previous releases - regressions:
- gro: fix udp bad offset in socket lookup
- bpf: fix incorrect runtime stat for arm64
- tipc: fix UAF in error path
- netfs: fix a potential infinite loop in extract_user_to_sg()
- eth: ice: ensure the copied buf is NUL terminated
- eth: qeth: fix kernel panic after setting hsuid
Previous releases - always broken:
- bpf:
- verifier: prevent userspace memory access
- xdp: use flags field to disambiguate broadcast redirect
- bridge: fix multicast-to-unicast with fraglist GSO
- mptcp: ensure snd_nxt is properly initialized on connect
- nsh: fix outer header access in nsh_gso_segment().
- eth: bcmgenet: fix racing registers access
- eth: vxlan: fix stats counters.
Misc:
- a bunch of MAINTAINERS file updates
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf.
Relatively calm week, likely due to public holiday in most places. No
known outstanding regressions.
Current release - regressions:
- rxrpc: fix wrong alignmask in __page_frag_alloc_align()
- eth: e1000e: change usleep_range to udelay in PHY mdic access
Previous releases - regressions:
- gro: fix udp bad offset in socket lookup
- bpf: fix incorrect runtime stat for arm64
- tipc: fix UAF in error path
- netfs: fix a potential infinite loop in extract_user_to_sg()
- eth: ice: ensure the copied buf is NUL terminated
- eth: qeth: fix kernel panic after setting hsuid
Previous releases - always broken:
- bpf:
- verifier: prevent userspace memory access
- xdp: use flags field to disambiguate broadcast redirect
- bridge: fix multicast-to-unicast with fraglist GSO
- mptcp: ensure snd_nxt is properly initialized on connect
- nsh: fix outer header access in nsh_gso_segment().
- eth: bcmgenet: fix racing registers access
- eth: vxlan: fix stats counters.
Misc:
- a bunch of MAINTAINERS file updates"
* tag 'net-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (45 commits)
MAINTAINERS: mark MYRICOM MYRI-10G as Orphan
MAINTAINERS: remove Ariel Elior
net: gro: add flush check in udp_gro_receive_segment
net: gro: fix udp bad offset in socket lookup by adding {inner_}network_offset to napi_gro_cb
ipv4: Fix uninit-value access in __ip_make_skb()
s390/qeth: Fix kernel panic after setting hsuid
vxlan: Pull inner IP header in vxlan_rcv().
tipc: fix a possible memleak in tipc_buf_append
tipc: fix UAF in error path
rxrpc: Clients must accept conn from any address
net: core: reject skb_copy(_expand) for fraglist GSO skbs
net: bridge: fix multicast-to-unicast with fraglist GSO
mptcp: ensure snd_nxt is properly initialized on connect
e1000e: change usleep_range to udelay in PHY mdic access
net: dsa: mv88e6xxx: Fix number of databases for 88E6141 / 88E6341
cxgb4: Properly lock TX queue for the selftest.
rxrpc: Fix using alignmask being zero for __page_frag_alloc_align()
vxlan: Add missing VNI filter counter update in arp_reduce().
vxlan: Fix racy device stats updates.
net: qede: use return from qede_parse_actions()
...
|
||
Jens Axboe
|
fb15ffd061 |
Merge commit '50abcc179e0c9ca667feb223b26ea406d5c4c556' of git://git.infradead.org/nvme into block-6.9
Pull NVMe fixes from Keith. * git://git.infradead.org/nvme: nvme-tcp: strict pdu pacing to avoid send stalls on TLS nvmet: fix nvme status code when namespace is disabled nvmet-tcp: fix possible memory leak when tearing down a controller nvme: cancel pending I/O if nvme controller is in terminal state nvmet-auth: replace pr_debug() with pr_err() to report an error. nvmet-auth: return the error code to the nvmet_auth_host_hash() callers nvme: find numa distance only if controller has valid numa id nvme: fix warn output about shared namespaces without CONFIG_NVME_MULTIPATH |
||
Will Deacon
|
75961ffb5c |
swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y
Using restricted DMA pools (CONFIG_DMA_RESTRICTED_POOL=y) in conjunction
with dynamic SWIOTLB (CONFIG_SWIOTLB_DYNAMIC=y) leads to the following
crash when initialising the restricted pools at boot-time:
| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
| Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
| pc : rmem_swiotlb_device_init+0xfc/0x1ec
| lr : rmem_swiotlb_device_init+0xf0/0x1ec
| Call trace:
| rmem_swiotlb_device_init+0xfc/0x1ec
| of_reserved_mem_device_init_by_idx+0x18c/0x238
| of_dma_configure_id+0x31c/0x33c
| platform_dma_configure+0x34/0x80
faddr2line reveals that the crash is in the list validation code:
include/linux/list.h:83
include/linux/rculist.h:79
include/linux/rculist.h:106
kernel/dma/swiotlb.c:306
kernel/dma/swiotlb.c:1695
because add_mem_pool() is trying to list_add_rcu() to a NULL
'mem->pools'.
Fix the crash by initialising the 'mem->pools' list_head in
rmem_swiotlb_device_init() before calling add_mem_pool().
Reported-by: Nikita Ioffe <ioffe@google.com>
Tested-by: Nikita Ioffe <ioffe@google.com>
Fixes:
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Jakub Kicinski
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78cfe54760 |
MAINTAINERS: mark MYRICOM MYRI-10G as Orphan
Chris's email address bounces and lore hasn't seen an email from anyone with his name for almost a decade. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240430233532.1356982-1-kuba@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com> |