Add helper function in order to remove RREG32/WREG32
in current pcie_rreg/wreg function for soc15 and
onwards adapters.
PCIE_INDEX/DATA pairs are used to access regsiters
outside of mmio bar in the helper functions.
The new helper functions help remove the recursion
of amdgpu_mm_rreg/wreg from pcie_rreg/wreg and
provide the oppotunity to centralize direct and
indirect access in a single function.
v2: Fixed typo and refine the comments
v3: Remove unnecessary volatile local variable
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch fixes a race in nodeid2con in cases that we parallel running
a lookup and both will create a connection structure for the same nodeid.
It's a rare case to create a new connection structure to keep reader
lockless we just do a lookup inside the protection area again and drop
previous work if this race happens.
Fixes: a47666eb76 ("fs: dlm: make connection hash lockless")
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
If a CPU is offlined the debug objects per CPU pool is not cleaned up. If
the CPU is never onlined again then the objects in the pool are wasted.
Add a CPU hotplug callback which is invoked after the CPU is dead to free
the pool.
[ tglx: Massaged changelog and added comment about remote access safety ]
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Link: https://lore.kernel.org/r/20200908062709.11441-1-qiang.zhang@windriver.com
Currently using forward search doesn't handle multi-line strings correctly.
The search routine replaces line breaks with \0 during the search and, for
regular searches ("help | grep Common\n"), there is code after the line
has been discarded or printed to replace the break character.
However during a pager search ("help\n" followed by "/Common\n") when the
string is matched we will immediately return to normal output and the code
that should restore the \n becomes unreachable. Fix this by restoring the
replaced character when we disable the search mode and update the comment
accordingly.
Fixes: fb6daa7520 ("kdb: Provide forward search at more prompt")
Link: https://lore.kernel.org/r/20200909141708.338273-1-daniel.thompson@linaro.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Calling pipe2() with O_NOTIFICATION_PIPE could results in memory
leaks unless watch_queue_init() is successful.
In case of watch_queue_init() failure in pipe2() we are left
with inode and pipe_inode_info instances that need to be freed. That
failure exit has been introduced in commit c73be61ced ("pipe: Add
general notification queue support") and its handling should've been
identical to nearby treatment of alloc_file_pseudo() failures - it
is dealing with the same situation. As it is, the mainline kernel
leaks in that case.
Another problem is that CONFIG_WATCH_QUEUE and !CONFIG_WATCH_QUEUE
cases are treated differently (and the former leaks just pipe_inode_info,
the latter - both pipe_inode_info and inode).
Fixed by providing a dummy wacth_queue_init() in !CONFIG_WATCH_QUEUE
case and by having failures of wacth_queue_init() handled the same way
we handle alloc_file_pseudo() ones.
Fixes: c73be61ced ("pipe: Add general notification queue support")
Signed-off-by: Qian Cai <cai@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
There are reports that 8822CE fails to work rtw88 with "failed to read DBI
register" error. Also I have a system with 8723DE which freezes the whole
system when the rtw88 is probing the device.
According to [1], platform firmware may not properly power manage the
device during shutdown. I did some expirements and putting the device to
D3 can workaround the issue.
So let's power cycle the device by putting the device to D3 at shutdown
to prevent the issue from happening.
[1] https://bugzilla.kernel.org/show_bug.cgi?id=206411#c9
BugLink: https://bugs.launchpad.net/bugs/1872984
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200928165508.20775-1-kai.heng.feng@canonical.com
During debug trap execution we expect dbg_deactivate_sw_breakpoints()
to be paired with an dbg_activate_sw_breakpoint(). Currently although
the calls are paired correctly they are needlessly smeared across three
different functions. Worse this also results in code to drive polled I/O
being called with breakpoints activated which, in turn, needlessly
increases the set of functions that will recursively trap if breakpointed.
Fix this by moving the activation of breakpoints into the debug core.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200927211531.1380577-4-daniel.thompson@linaro.org
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Currently kgdb honours the kprobe blocklist but doesn't place its own
trap handling code on the list. Add labels to discourage attempting to
use kgdb to debug itself.
Not every functions that executes from the trap handler needs to be
marked up: relatively early in the trap handler execution (just after
we bring the other CPUs to a halt) all breakpoints are replaced with
the original opcodes. This patch marks up code in the debug_core that
executes between trap entry and the breakpoints being deactivated
and, also, code that executes between breakpoint activation and trap
exit.
To be clear these changes are not sufficient to make recursive trapping
impossible since they do not include library calls made during kgdb's
entry/exit logic. However going much further whilst we are sharing the
kprobe blocklist risks reducing the capabilities of kprobe and this
would be a bad trade off (especially so given kgdb's users are currently
conditioned to avoid recursive traps).
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200927211531.1380577-3-daniel.thompson@linaro.org
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
IOMMU generic layer already does sanity checks on UAPI data for version
match and argsz range based on generic information.
This patch adjusts the following data checking responsibilities:
- removes the redundant version check from VT-d driver
- removes the check for vendor specific data size
- adds check for the use of reserved/undefined flags
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/1601051567-54787-7-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
IOMMU user APIs are responsible for processing user data. This patch
changes the interface such that user pointers can be passed into IOMMU
code directly. Separate kernel APIs without user pointers are introduced
for in-kernel users of the UAPI functionality.
IOMMU UAPI data has a user filled argsz field which indicates the data
length of the structure. User data is not trusted, argsz must be
validated based on the current kernel data size, mandatory data size,
and feature flags.
User data may also be extended, resulting in possible argsz increase.
Backward compatibility is ensured based on size and flags (or
the functional equivalent fields) checking.
This patch adds sanity checks in the IOMMU layer. In addition to argsz,
reserved/unused fields in padding, flags, and version are also checked.
Details are documented in Documentation/userspace-api/iommu.rst
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/1601051567-54787-6-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
User APIs such as iommu_sva_unbind_gpasid() may also be used by the
kernel. Since we introduced user pointer to the UAPI functions,
in-kernel callers cannot share the same APIs. In-kernel callers are also
trusted, there is no need to validate the data.
We plan to have two flavors of the same API functions, one called
through ioctls, carrying a user pointer and one called directly with
valid IOMMU UAPI structs. To differentiate both, let's rename existing
functions with an iommu_uapi_ prefix.
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/1601051567-54787-5-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
IOMMU UAPI data size is filled by the user space which must be validated
by the kernel. To ensure backward compatibility, user data can only be
extended by either re-purpose padding bytes or extend the variable sized
union at the end. No size change is allowed before the union. Therefore,
the minimum size is the offset of the union.
To use offsetof() on the union, we must make it named.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/linux-iommu/20200611145518.0c2817d6@x1.home/
Link: https://lore.kernel.org/r/1601051567-54787-4-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
As IOMMU UAPI gets extended, user data size may increase. To support
backward compatibiliy, this patch introduces a size field to each UAPI
data structures. It is *always* the responsibility for the user to fill in
the correct size. Padding fields are adjusted to ensure 8 byte alignment.
Specific scenarios for user data handling are documented in:
Documentation/userspace-api/iommu.rst
As there is no current users of the API, struct version is not
incremented.
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/1601051567-54787-3-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
IOMMU UAPI is newly introduced to support communications between guest
virtual IOMMU and host IOMMU. There has been lots of discussions on how
it should work with VFIO UAPI and userspace in general.
This document is intended to clarify the UAPI design and usage. The
mechanics of how future extensions should be achieved are also covered
in this documentation.
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Cc: linux-api@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/1601051567-54787-2-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Since commit c330fb1ddc ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Xen is using the chip_data pointer for storing IRQ specific data. When
running as a HVM domain this can result in problems for legacy IRQs, as
those might use chip_data for their own purposes.
Use a local array for this purpose in case of legacy IRQs, avoiding the
double use.
Cc: stable@vger.kernel.org
Fixes: c330fb1ddc ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Signed-off-by: Juergen Gross <jgross@suse.com>
Tested-by: Stefan Bader <stefan.bader@canonical.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200930091614.13660-1-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
When nmi_check_duration() is checking the time an NMI handler took to
execute, the whole_msecs value used should be read from the @duration
argument, not from the ->max_duration, the latter being used to store
the current maximal duration.
[ bp: Rewrite commit message. ]
Fixes: 248ed51048 ("x86/nmi: Remove irq_work from the long duration NMI handler")
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Libing Zhou <libing.zhou@nokia-sbell.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Changbin Du <changbin.du@gmail.com>
Link: https://lkml.kernel.org/r/20200820025641.44075-1-libing.zhou@nokia-sbell.com
Convert the Hisilicon Hip06 SoCs implement a Low Pin Count (LPC)
controller binding to DT schema format using json-schema.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20200929141454.2312-18-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
Convert the Hisilicon Bootwrapper boot method binding to DT schema format
using json-schema.
The property boot-method contains two groups of physical address range
information: bootwrapper and relocation. The "uint32-array" type is not
suitable for it, because the field "address" and "size" may occupy one or
two cells respectively. Use "minItems: 1" and "maxItems: 2" to allow it
can be written in "<addr size addr size>" or "<addr size>, <addr size>"
format.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20200929141454.2312-15-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
Convert the Hisilicon system controller and its variants binding to DT
schema format using json-schema. All of them are grouped into one yaml
file, to help users understand differences and avoid repeated
descriptions.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20200929141454.2312-11-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
Convert Hisilicon SoC bindings to DT schema format using json-schema.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Split the devicetree bindings of each Hisilicon controller from
hisilicon.txt into a separate file, the file name is the compatible name
attach the .txt file name extension.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20200929141454.2312-4-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
The compatible strings of Hi6220 SRAM controller, HiP05/HiP06 PCIe-SAS
subsystem controller, HiP05/HiP06 PERI subsystem controller and
HiP05/HiP06 DSA subsystem controller is in syscon.yaml now.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20200929141454.2312-3-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
- Continued SVM enablement, where page-table is shared with CPU
- Groundwork to support integrated SMMU with Adreno GPU
- Allow disabling of MSI-based polling on the kernel command-line
- Minor driver fixes and cleanups (octal permissions, error messages, ...)
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Merge tag 'arm-smmu-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu
Arm SMMU updates for 5.10
- Continued SVM enablement, where page-table is shared with CPU
- Groundwork to support integrated SMMU with Adreno GPU
- Allow disabling of MSI-based polling on the kernel command-line
- Minor driver fixes and cleanups (octal permissions, error messages, ...)
Commit 387caf0b75 ("iommu/amd: Treat per-device exclusion
ranges as r/w unity-mapped regions") accidentally overwrites
the 'flags' field in IVMD (struct ivmd_header) when the I/O
virtualization memory definition is associated with the
exclusion range entry. This leads to the corrupted IVMD table
(incorrect checksum). The kdump kernel reports the invalid checksum:
ACPI BIOS Warning (bug): Incorrect checksum in table [IVRS] - 0x5C, should be 0x60 (20200717/tbprint-177)
AMD-Vi: [Firmware Bug]: IVRS invalid checksum
Fix the above-mentioned issue by modifying the 'struct unity_map_entry'
member instead of the IVMD header.
Cleanup: The *exclusion_range* functions are not used anymore, so
get rid of them.
Fixes: 387caf0b75 ("iommu/amd: Treat per-device exclusion ranges as r/w unity-mapped regions")
Reported-and-tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Adrian Huang <ahuang12@lenovo.com>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20200926102602.19177-1-adrianhuang0701@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
TCR_EL1.HD is permitted to be cached in a TLB, so invalidate the local
TLB after setting the bit when detected support for the feature. Although
this isn't strictly necessary, since we can happily operate with the bit
effectively clear, the current code uses an ISB in a half-hearted attempt
to make the change effective, so let's just fix that up.
Link: https://lore.kernel.org/r/20201001110405.18617-1-will@kernel.org
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
A temporary var needed for building with ISP2400 was removed
by accident on a cleanup patch.
Fix the breakage.
Fixes: 852a53a02c ("media: atomisp: get rid of unused vars")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
On x64 we get:
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c:751:10: warning: conversion from 'long unsigned int' to 'unsigned int' changes value from '18446744073709551613' to '4294967293' [-Woverflow]
The registers are 32 bit, so fix by casting to u32.
Fixes: fb43aa0acd ("drm: bridge: Add support for Cadence MHDP8546 DPI/DP bridge")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Swapnil Jakhade <sjakhade@cadence.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200929091918.24813-1-tomi.valkeinen@ti.com
Use this small script to replace CamelCase and wrong case
on vars:
<script>
FILES=$(find "$1" -type f|grep -e '.c$' -e '.h$')
CAMEL_VARS=$(cat tags|perl -ne 'print "$1\n" if (m/^(\w*[A-Z]\w*[a-z]\w*)\s/)')
for i in $CAMEL_VARS; do
new=$(perl -e '
my $s = $ARGV[0];
$s =~ s{([^a-zA-Z]?)([A-Z]*)([A-Z])([a-z]?)}{
my $fc = pos($s)==0;
my ($p0,$p1,$p2,$p3) = ($1,lc$2,lc$3,$4);
my $t = $p0 || $fc ? $p0 : '_';
$t .= $p3 ? $p1 ? "${p1}_$p2$p3" : "$p2$p3" : "$p1$p2";
$t;
}ge;
print $s;' "$i")
for j in $FILES; do
sed -E "s,\b$i\b,$new,g" -i $j
done
done
for i in $(git grep "#define zr" drivers/staging/media/zoran/*.[ch]|perl -ne 'print "$1\n" if (m/#define\s+(zr\S+)/)'); do j=$(echo $i|tr [a-z] [A-Z]); sed "s,\b$i\b,$j,g" -i drivers/staging/media/zoran/*.[ch]; done
</script>
This should solve almost all warnings reported by checkpatch.pl
in strict mode.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
With suitably crafted reiserfs image and mount command reiserfs will
crash when trying to verify that XATTR_ROOT directory can be looked up
in / as that recurses back to xattr code like:
xattr_lookup+0x24/0x280 fs/reiserfs/xattr.c:395
reiserfs_xattr_get+0x89/0x540 fs/reiserfs/xattr.c:677
reiserfs_get_acl+0x63/0x690 fs/reiserfs/xattr_acl.c:209
get_acl+0x152/0x2e0 fs/posix_acl.c:141
check_acl fs/namei.c:277 [inline]
acl_permission_check fs/namei.c:309 [inline]
generic_permission+0x2ba/0x550 fs/namei.c:353
do_inode_permission fs/namei.c:398 [inline]
inode_permission+0x234/0x4a0 fs/namei.c:463
lookup_one_len+0xa6/0x200 fs/namei.c:2557
reiserfs_lookup_privroot+0x85/0x1e0 fs/reiserfs/xattr.c:972
reiserfs_fill_super+0x2b51/0x3240 fs/reiserfs/super.c:2176
mount_bdev+0x24f/0x360 fs/super.c:1417
Fix the problem by bailing from reiserfs_xattr_get() when xattrs are not
yet initialized.
CC: stable@vger.kernel.org
Reported-by: syzbot+9b33c9b118d77ff59b6f@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
Don't mix case there: let's just use uppercase, as this is
the common pattern for such define-like enums.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Currently, the RX interrupt logic uses the RXEMPTY interrupt, with the
RXEMPTYINV bit set, which means we get an RX interrupt as soon as the
RX FIFO is non-empty.
However, with the MAX310X having a FIFO of 128 bytes, this makes very
poor use of the FIFO: we trigger an interrupt as soon as the RX FIFO
has one byte, which means a lot of interrupts, each only collecting a
few bytes from the FIFO, causing a significant CPU load.
Instead this commit relies on two other RX interrupt events:
- MAX310X_IRQ_RXFIFO_BIT, which triggers when the RX FIFO has reached
a certain threshold, which we define to be half of the FIFO
size. This ensure we get an interrupt before the RX FIFO fills up.
- MAX310X_LSR_RXTO_BIT, which triggers when the RX FIFO has received
some bytes, and then no more bytes are received for a certain
time. Arbitrarily, this time is defined to the time is takes to
receive 4 characters.
On a Microchip SAMA5D3 platform that is receiving 20 bytes every 16ms
over one MAX310X UART, this patch has allowed to reduce the CPU
consumption of the interrupt handler thread from ~25% to 6-7%.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Link: https://lore.kernel.org/r/20201001074415.349739-1-thomas.petazzoni@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace spaces with tab to clear checkpatch error.
ERROR: code indent should use tabs where possible
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200929062847.23985-8-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After the removal of cckrates_included() and cckrates_only_included()
from rtw_wlan_util.c the variable/parameter 'ratelen' is unused now.
Remove it from update_wireless_mode() and judge_network_type().
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200929062847.23985-7-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In rtw_ieee80211.c there are rtw_is_cckrates_included() and
rtw_is_cckratesonly_included() which have the same functionality as
cckrates_included() and cckrates_only_included() defined in
rtw_wlan_util.c. Remove the functions from rtw_wlan_util.c and use
those from rtw_ieee80211.c.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200929062847.23985-6-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
