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24ae0c91cbc57c2deb0401bd653453a508acdcee
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Andy Lutomirski 24ae0c91cb x86/hw_breakpoint: Prevent data breakpoints on cpu_entry_area 
A data breakpoint near the top of an IST stack will cause unrecoverable
recursion.  A data breakpoint on the GDT, IDT, or TSS is terrifying.
Prevent either of these from happening.

Co-developed-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Link: https://lkml.kernel.org/r/20200505134058.272448010@linutronix.de
2020-06-11 15:14:33 +02:00
..
alpha
mmap locking API: convert mmap_sem API comments
2020-06-09 09:39:14 -07:00
arc
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
arm
Merge branch 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux
2020-06-10 14:46:54 -07:00
arm64
locking/atomics: Flip fallbacks and instrumentation
2020-06-11 08:03:24 +02:00
c6x
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
csky
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
h8300
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
hexagon
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
ia64
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
m68k
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
microblaze
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
mips
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
nds32
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
nios2
mmap locking API: convert mmap_sem API comments
2020-06-09 09:39:14 -07:00
openrisc
mmap locking API: convert mmap_sem API comments
2020-06-09 09:39:14 -07:00
parisc
maccess: always use strict semantics for probe_kernel_read
2020-06-09 09:39:15 -07:00
powerpc
arch/powerpc/mm/pgtable.c: another missed conversion
2020-06-10 14:44:46 -07:00
riscv
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
s390
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
sh
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
sparc
arch/sparc/mm/srmmu.c: fix build
2020-06-10 10:35:28 -07:00
um
Merge tag 'for-linus-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
2020-06-10 13:25:40 -07:00
unicore32
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
x86
x86/hw_breakpoint: Prevent data breakpoints on cpu_entry_area
2020-06-11 15:14:33 +02:00
xtensa
mmap locking API: convert mmap_sem API comments
2020-06-09 09:39:14 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
Kconfig
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00