Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-25 21:51:40 +00:00
Code Issues Packages Projects Releases Wiki Activity
edc1243437
linux/arch/x86
History
Linus Torvalds 1eee4ef38c - Make sure clearing CPU buffers using VERW happens at the latest possible 
point in the return-to-userspace path, otherwise memory accesses after
   the VERW execution could cause data to land in CPU buffers again
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmXbG7IACgkQEsHwGGHe
 VUoEEg//d1qt/PEWCC23wMO6gLMl4J/e4ZQAuGOKGed/jUmOaQKpHJmpDMRc0li5
 llRYDdfE0ikmtQT3t9vQDs3xbWfT5bLMsijliRimb193FaS1HGlHMMS1nxhfjyfv
 MecbWfkwzX2JnrxJpsbfue+7kks3HyIXYsXV7kSFiHavk4F3GFQXYLO11pKbNQwN
 9UfjJDeVsrcWPGCHhoPKF5NHUnQKIA8ZC6g8yBq894AtdWOhFY7ePKBZefUWQQ1n
 myc5GJ3dKFICMCZvkMABtHYCmHU/W3y/6tPtnrz3kT8GdCIAHG+K9VRUfY1ml94H
 x327GoM3sEzHLsPizKy00/Uao+j6FOtv631LoDLsO2MF3sHoTZDaSgg5y2D/ZC7t
 IZdK3mUGtdINRhGiWWpdxyaMfkQ62cdZk8FkeYkRAewYS6WYSdMX3cPqFNy4Ss5u
 r3reMOD3JcxAatcqhHMXjARMfY+N08gQBpxBul3ejgH8t8aY7xJx6Vggty5kBlHZ
 7urV9jIRxSXfbBmOcYu6HP1ucFLWNSUQCBn7Imrh+5zbE1XVv7NaAWvT4Nmgb0/X
 57fHoYYSVwaJ0k3zWWM7QYEdcuJ7IZnVgTCQYx26Ec2AOQRxE9ose+awTLYtTbp1
 T+XaOlItHKMRzx9K46D7xHwmC5qiokFki3exp5vfGZxGyT3+t/c=
 =n5us
 -----END PGP SIGNATURE-----

Merge tag 'x86_urgent_for_v6.8_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Make sure clearing CPU buffers using VERW happens at the latest
   possible point in the return-to-userspace path, otherwise memory
   accesses after the VERW execution could cause data to land in CPU
   buffers again

* tag 'x86_urgent_for_v6.8_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  KVM/VMX: Move VERW closer to VMentry for MDS mitigation
  KVM/VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH
  x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key
  x86/entry_32: Add VERW just before userspace transition
  x86/entry_64: Add VERW just before userspace transition
  x86/bugs: Add asm helpers for executing VERW
2024-02-25 10:22:21 -08:00
..
boot x86/efistub: Use 1:1 file:memory mapping for PE/COFF .compat section 2024-02-05 10:24:51 +00:00
coco - Add support managing TDX host hardware 2024-01-18 13:41:48 -08:00
configs hardening updates for v6.7-rc1 2023-10-30 19:09:55 -10:00
crypto This update includes the following changes: 2024-01-10 12:23:43 -08:00
entry x86/entry_32: Add VERW just before userspace transition 2024-02-19 16:31:46 -08:00
events Performance events changes for v6.8 are: 2024-01-08 19:37:20 -08:00
hyperv x86/cleanups changes for v6.8: 2024-01-08 17:23:32 -08:00
ia32
include - Make sure clearing CPU buffers using VERW happens at the latest possible 2024-02-25 10:22:21 -08:00
kernel x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key 2024-02-19 16:31:49 -08:00
kvm KVM/VMX: Move VERW closer to VMentry for MDS mitigation 2024-02-19 16:31:59 -08:00
lib x86/lib: Revert to _ASM_EXTABLE_UA() for {get,put}_user() fixups 2024-01-29 11:40:41 +01:00
math-emu
mm cxl fixes for 6.8-rc6 2024-02-24 15:53:40 -08:00
net Networking changes for 6.8. 2024-01-11 10:07:29 -08:00
pci pci-v6.8-changes 2024-01-17 16:23:17 -08:00
platform x86/cleanups changes for v6.8: 2024-01-08 17:23:32 -08:00
power
purgatory x86/purgatory: Remove LTO flags 2023-09-17 09:49:03 +02:00
ras
realmode x86/cleanups changes for v6.8: 2024-01-08 17:23:32 -08:00
tools x86/build changes for v6.8: 2024-01-08 17:22:02 -08:00
um This pull request contains the following changes for UML: 2024-01-17 10:44:34 -08:00
video fbdev: Replace fb_pgprotect() with pgprot_framebuffer() 2023-10-12 09:20:46 +02:00
virt x86/mce: Differentiate real hardware #MCs from TDX erratum ones 2023-12-12 08:46:46 -08:00
xen x86/xen: Add some null pointer checking to smp.c 2024-02-12 20:14:52 +01:00
.gitignore
Kbuild
Kconfig IOMMU Updates for Linux v6.8 2024-01-18 15:16:57 -08:00
Kconfig.assembler x86/shstk: Add Kconfig option for shadow stack 2023-07-11 14:12:18 -07:00
Kconfig.cpu x86/Kconfig: Transmeta Crusoe is CPU family 5, not 6 2024-02-09 16:28:19 +01:00
Kconfig.debug
Makefile kbuild: use 4-space indentation when followed by conditionals 2024-02-15 06:05:44 +09:00
Makefile_32.cpu
Makefile.postlink kbuild: remove ARCH_POSTLINK from module builds 2023-10-28 21:10:08 +09:00
Makefile.um