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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-04-06 21:02:56 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:14:59 +0200 |
| commit | 9f58fdde95c9509a4ded27a6d0035e79294002b4 (patch) | |
| tree | 52051e8aa46fb1962af8f97c4d6eb8876ca33936 /arch/x86/include/asm/traps.h | |
| parent | x86/nmi: Protect NMI entry against instrumentation (diff) | |
| download | linux-dev-9f58fdde95c9509a4ded27a6d0035e79294002b4.tar.xz linux-dev-9f58fdde95c9509a4ded27a6d0035e79294002b4.zip | |
x86/db: Split out dr6/7 handling
DR6/7 should be handled before nmi_enter() is invoked and restore after
nmi_exit() to minimize the exposure.
Split it out into helper inlines and bring it into the correct order.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200505135314.808628211@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/traps.h')
0 files changed, 0 insertions, 0 deletions