AuxXxilium/linux_dsm_epyc7002
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97417cb9ad
linux_dsm_epyc7002/arch/x86
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Lai Jiangshan 97417cb9ad x86/hw_breakpoint: Prevent data breakpoints on direct GDT 
A data breakpoint on the GDT can be fatal and must be avoided.  The GDT in
the CPU entry area is already protected, but not the direct GDT.

Add the necessary protection.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200526014221.2119-3-laijs@linux.alibaba.com
Link: https://lkml.kernel.org/r/20200529213320.840953950@infradead.org
2020-06-11 15:15:20 +02:00
..
boot mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
configs compiler: remove CONFIG_OPTIMIZE_INLINING entirely 2020-04-07 10:43:42 -07:00
crypto There are a lot of objtool changes in this cycle, all across the map: 2020-06-01 13:13:00 -07:00
entry x86/entry: Remove the TRACE_IRQS cruft 2020-06-11 15:15:19 +02:00
events mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
hyperv x86/entry: Convert various hypervisor vectors to IDTENTRY_SYSVEC 2020-06-11 15:15:15 +02:00
ia32 Merge branch 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-06-04 14:07:08 -07:00
include x86/entry: Remove the TRACE_IRQS cruft 2020-06-11 15:15:19 +02:00
kernel x86/hw_breakpoint: Prevent data breakpoints on direct GDT 2020-06-11 15:15:20 +02:00
kvm x86/entry: Convert Machine Check to IDTENTRY_IST 2020-06-11 15:14:57 +02:00
lib X86 timer specific updates: 2020-06-03 10:18:09 -07:00
math-emu Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 10:42:40 -08:00
mm x86/entry: Switch page fault exception to IDTENTRY_RAW 2020-06-11 15:15:09 +02:00
net bpf, i386: Remove unneeded conversion to bool 2020-05-07 16:29:14 +02:00
oprofile
pci Merge branch 'pci/virtualization' 2020-06-04 12:59:13 -05:00
platform x86/entry: Convert various system vectors 2020-06-11 15:15:14 +02:00
power mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
purgatory Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 10:42:40 -08:00
ras
realmode mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
tools .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
um mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
video
xen xen: Move xen_setup_callback_vector() definition to include/xen/hvm.h 2020-06-11 15:15:19 +02:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
Kbuild
Kconfig x86/entry: Use idtentry for interrupts 2020-06-11 15:15:12 +02:00
Kconfig.assembler x86/delay: Introduce TPAUSE delay 2020-05-07 16:06:20 +02:00
Kconfig.cpu x86/cpu: Detect VMX features on Intel, Centaur and Zhaoxin CPUs 2020-01-13 18:02:53 +01:00
Kconfig.debug x86: mm: use ARCH_HAS_DEBUG_WX instead of arch defined 2020-06-03 20:09:50 -07:00
Makefile x86/boot/build: Make 'make bzlilo' not depend on vmlinux or $(obj)/bzImage 2020-04-21 18:10:28 +02:00
Makefile_32.cpu
Makefile.um