| Commit message (Collapse) | Author | Age | Files | Lines |
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Some drivers need to know when a lid event occurs and get the current
status. This can be useful for when a platform firmware clobbers some
hardware state at lid time, and a driver needs to restore things when
the lid is opened again.
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Test on the IGD chip, which is a G33-like graphic device.
Signed-off-by: Li Peng <peng.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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When the output device is LVDS, maybe the pixel clock of adjusted_mode will be
less than that in mode. In such case it will set the incorrect multipler factor
in DPLL_MD register.
So the dpll_md_reg will be reset when the output type is non-SDVO
https://bugs.freedesktop.org/show_bug.cgi?id=22761
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewd-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Add the missing clone_mask for SDVO-VGA(RGB1)
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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When the sdvo device is detected as SDVO-LVDS, we will check whether the
brightness is supported by issue SDVO enhancement command.
If it is supported, we will add the brightness property and then brightness
can be adjusted.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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When the sdvo device is detected as SDVO-TV, we will check whether the
sepecific picture enhancement is supported. If it is supported, we will
add the corresponnding property for SDVO-TV. We will add the following
property for the SDVO-TV enhancements if they are supported:
* Contrast/Brightness/Saturation/Hue.
* left/right/top/bottom margin: This is implemented by using the
horizontal/vertical overscan enhancements. When the overscan
enhancements are supported, the above properties will be added. This is
to be compatible with what we have done in integrated-TV.
* horizontal pos/vertical pos.
http://bugs.freedesktop.org/show_bug.cgi?id=22891
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Otherwise, some other userland writing into its buffer may race to land
writes either after the CPU thinks it's got a coherent view, or after its
GTT entries have been redirected to point at the scratch page. Either
result is unpleasant.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Fabian Henze <hoacha@quantentunnel.de>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Fabian Henze <hoacha@quantentunnel.de>
[Fix reversed HB & IG ids for B43]
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (21 commits)
x86/PCI: make 32 bit NUMA node array int, not unsigned char
x86/PCI: default pcibus cpumask to all cpus if it lacks affinity
MAINTAINTERS: remove hotplug driver entries
PCI: pciehp: remove slot capabilities definitions
PCI: pciehp: remove error message definitions
PCI: pciehp: remove number field
PCI: pciehp: remove hpc_ops
PCI: pciehp: remove pci_dev field
PCI: pciehp: remove crit_sect mutex
PCI: pciehp: remove slot_bus field
PCI: pciehp: remove first_slot field
PCI: pciehp: remove slot_device_offset field
PCI: pciehp: remove hp_slot field
PCI: pciehp: remove device field
PCI: pciehp: remove bus field
PCI: pciehp: remove slot_num_inc field
PCI: pciehp: remove num_slots field
PCI: pciehp: remove slot_list field
PCI: fix VGA arbiter header file
PCI: Disable AER with pci=nomsi
...
Fixed up trivial conflicts in MAINTAINERS
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We use -1 to indicate no node affinity, so we need a signed type here or
all sorts of bad things happen, like crashes in dev_attr_show as
reported by Ingo:
[ 158.058140] warning: `dbus-daemon' uses 32-bit capabilities (legacy support in use)
[ 159.370562] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 159.372694] IP: [<ffffffff8143b722>] bitmap_scnprintf+0x72/0xd0
[ 159.372694] PGD 71d3e067 PUD 7052e067 PMD 0
[ 159.372694] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 159.372694] last sysfs file: /sys/devices/pci0000:00/0000:00:01.0/local_cpus
[ 159.372694] CPU 0
[ 159.372694] Pid: 7364, comm: irqbalance Not tainted 2.6.31-tip #8043 System Product Name
[ 159.372694] RIP: 0010:[<ffffffff8143b722>] [<ffffffff8143b722>] bitmap_scnprintf+0x72/0xd0
[ 159.372694] RSP: 0018:ffff8800712a1e38 EFLAGS: 00010246
[ 159.372694] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 159.372694] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880077dc5000
[ 159.372694] RBP: ffff8800712a1e68 R08: 0000000000000001 R09: 0000000000000001
[ 159.372694] R10: ffffffff8215c47c R11: 0000000000000000 R12: 0000000000000000
[ 159.372694] R13: 0000000000000000 R14: 0000000000000ffe R15: ffff880077dc5000
[ 159.372694] FS: 00007f5f578f76f0(0000) GS:ffff880007000000(0000) knlGS:0000000000000000
[ 159.372694] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 159.372694] CR2: 0000000000000000 CR3: 0000000071a77000 CR4: 00000000000006f0
[ 159.372694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 159.372694] DR3: ffffffff835109dc DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 159.372694] Process irqbalance (pid: 7364, threadinfo ffff8800712a0000, task ffff880070773000)
[ 159.372694] Stack:
[ 159.372694] 2222222222222222 ffff880077dc5000 fffffffffffffffb ffff88007d366b40
[ 159.372694] <0> ffff8800712a1f48 ffff88007d3840a0 ffff8800712a1e88 ffffffff8146332b
[ 159.372694] <0> fffffffffffffff4 ffffffff82450718 ffff8800712a1ea8 ffffffff815a9a1f
[ 159.372694] Call Trace:
[ 159.372694] [<ffffffff8146332b>] local_cpus_show+0x3b/0x60
[ 159.372694] [<ffffffff815a9a1f>] dev_attr_show+0x2f/0x60
[ 159.372694] [<ffffffff8118ee6f>] sysfs_read_file+0xbf/0x1d0
[ 159.372694] [<ffffffff8112afe9>] vfs_read+0xc9/0x180
[ 159.372694] [<ffffffff8112c365>] sys_read+0x55/0x90
[ 159.372694] [<ffffffff810114f2>] system_call_fastpath+0x16/0x1b
[ 159.372694] Code: 41 b9 01 00 00 00 44 8d 46 03 49 63 fc 0f 49 d3 c1 f8 1f 4c 01 ff c1 e8 1a c1 fa 06 41 c1 e8 02 8d 0c 03 48 63 d2 83 e1 3f 29 c1 <49> 8b 44 d5 00 48 c7 c2 8c 37 16 82 48 d3 e8 89 f1 44 89 f6 49
[ 159.372694] RIP [<ffffffff8143b722>] bitmap_scnprintf+0x72/0xd0
[ 159.372694] RSP <ffff8800712a1e38>
[ 159.372694] CR2: 0000000000000000
[ 159.600828] ---[ end trace 35550c356e84e60c ]---
Reported-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The early initialization of the pci bus to node mapping leaves all busses
with a node id of -1 if it lacks memory affinity. Thus, cpumask_of_pcibus
must return all online cpus for such busses.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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So Kristen stops getting PCI hotplug related stuff; the maintainer
switch actually happened awhile ago, but the entries were never purged.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Use generic PCIe slot capabilities register definitions instead of
internal definitions.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Remove (almost) unused error message definitions.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since slot_cap field in struct controller contains physical slot
number informationq, we don't need number field in struct slot.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The struct hpc_ops seems a set of hooks to controller specific
routines. But, it is meaningless because no hotplug controller driver
follows this framework.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since we have a pointer to pcie_device in struct controller, we don't
need a pointer to pci_dev.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The crit_sect mutex defined in struct controller is to serialize
hot-plug operations against multiple slots under the same bus. But,
since PCIe doesnstream port has only one slot at most, it is
meaningless and we don't need it.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Remove unused slot_bus field in struct controller.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The slot number can be calculated only by physical slot number field
in the slot capabilities register. So the first_slot field in struct
controller is meaningless and we don't need it.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since the device number of the hot-slot under the PCIe downstream port
is always 0, the slot_device_offset field in the slot is meaningless
and we don't need it.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The hp_slot field is to identify the slot under the same
controller. But, since PCIe downstream port has only one slot at most,
it is meaningless and we don't need it.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The device field in the struct slot is not necessary because it is
always 0 in pciehp driver.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The bus field in struct slot is not necessary.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The slot_num_inc field in struct controller is unused and meaningless
in pciehp driver.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since PCIe downstream port has only one slot at most, we don't need
num_slots field in struct controller. Note that struct controller
itself doesn't exist if PCIe downstream port has no slot.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since PCIe downstream port has only one slot at most, we don't need
'slot_list' linked list to manage multiple slots under the port.
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Remove reference to vgaarb.c and replace it with a comment about the
arbiter itself.
Reported-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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When booting with pci=nomsi aer causes lost interrupts and
lockdep inversions.
So check if MSIs are not disabled before initializing the aer
driver.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The definition of the ASPM support field in the Link Capabilities
Register had been changed by the "ASPM optionality ECN" as follows:
<Before>
00b Reserved
01b L0s Supported
10b Reserved
11b L0s and L1 Supported
<After>
00b No ASPM Support
01b L0s Supported
10b L1 Supported
11b L0s and L1 Supported
Current linux ASPM driver doesn't enable ASPM if the support field is
00b or 10b. So there is no impact about 00b. But current linux ASPM
driver doesn't enable L1 if the support field is 10b. With this patch,
10b (L1 support) is handled properly.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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* 'cputime' of git://git390.marist.edu/pub/scm/linux-2.6:
[PATCH] Fix idle time field in /proc/uptime
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Git commit 79741dd changes idle cputime accounting, but unfortunately
the /proc/uptime file hasn't caught up. Here the idle time calculation
from /proc/stat is copied over.
Signed-off-by: Michael Abbott <michael.abbott@diamond.ac.uk>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits)
microblaze: Disable heartbeat/enable emaclite in defconfigs
microblaze: Support simpleImage.dts make target
microblaze: Fix _start symbol to physical address
microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections
microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets
microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C
microblaze: Actually show KiB rather than pages in "Freeing initrd memory:"
microblaze: Support ptrace syscall tracing.
microblaze: Updated CPU version and FPGA family codes in PVR
microblaze: Generate correct signal and siginfo for integer div-by-zero
microblaze: Don't be noisy when userspace causes hardware exceptions
microblaze: Remove ipc.h file which points to non-existing asm-generic file
microblaze: Clear sticky FSR register after generating exception signals
microblaze: Ensure CPU usermode is set on new userspace processes
microblaze: Use correct kbuild variable KBUILD_CFLAGS
microblaze: Save and restore msr in hw exception
microblaze: Add architectural support for USB EHCI host controllers
microblaze: Implement include/asm/syscall.h.
microblaze: Improve checking mechanism for MSR instruction
microblaze: Add checking mechanism for MSR instruction
...
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I need to disable heartbeat function because this features
breaks testing in Qemu.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Instead of remembering to specify DTB= on the make commandline, this commit
allows the much friendlier make simpleImage.<dts>
where <dts>.dts is expected to be found in arch/microblaze/boot/dts/
The resulting vmlinux, with the compiled DTS linked in, will be copied to
boot/simpleImage.<dts>
This mirrors the same functionality as on PowerPC,
albeit achieving it in a slightly different way.
+ strip simpleImage file
The size of output file is very similar to linux.bin.
vmlinux - full elf without fdt blob
simpleImage.<dtb name>.unstrip - full elf with fdt blob
simpleImage.<dtb name> - stripped elf with fdt blob
Add symlink to generic system.dts in platform folder
Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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_start is setup to physical kernel start address.
This caused that when you load vmlinux (with MMU kernel)
via XMD program counter (pc) is setup correctly
and then you can write con and start kernel.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Currently, vmlinux has LMA==VMA for all sections, which is wrong for MMU
kernels. Previous patches in this series defined the LOAD_OFFSET constant,
now we make use of it in our link script.
Other minor changes in this patch:
* brace/indenting cleanup of some sections
* put __fdt_* symbols in their own section, and apply LOAD_OFFSET fixup
Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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LOAD_OFFSET is the offset between the physical load address and the kernel's
virtual address. It will be used in the upcoming commit to vmlinux.ld.S to
make sure that the LMAs of sections in vmlinux are correct.
Signed-off-by: John Williams <john.williams@petalogix.com>
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Provides the ASM_CONST macro for creating asm-safe constants.
No users yet, we'll be using it in upcoming page.h commit, for generating
the LOAD_OFFSET macro
Signed-off-by: John Williams <john.williams@petalogix.com>
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Fix "Freeing initrd memory:" message on microblaze to show kilobytes as
claimed rather than number of pages.
Signed-off-by: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: John Williams <john.williams@petalogix.com>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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FSR is sticky, so after the userspace exception/signal generation, clear
it ready for next time.
Signed-off-by: John Williams <john.williams@petalogix.com>
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Signed-off-by: John Williams <john.williams@petalogix.com>
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Fixes the bug introduced in 9552158573f847aa429334bb97995bb290bb4b0d
Signed-off-by: John Williams <john.williams@petalogix.com>
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I thought that this part of code could be removed because just
save and restore MSR but any code can't change it. But seems to
that any part of code works with this information.
This patch solved problem with allocation.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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