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x86/entry: Introduce local_db_{save,restore}()
authorPeter Zijlstra <peterz@infradead.org>
Fri, 29 May 2020 21:27:33 +0000 (23:27 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 11 Jun 2020 13:15:21 +0000 (15:15 +0200)
commite1de11d4d1a64ac1b90b9833f1a3629dae18facb
tree0018983a29a3b2b285805eefe8151a9ca335698ctree
parentfdef24dfccb7be06e6ebe11d6c6c56987421870fcommit | diff
x86/entry: Introduce local_db_{save,restore}()

In order to allow other exceptions than #DB to disable breakpoints,
provide common helpers.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200529213321.012060983@infradead.org
arch/x86/include/asm/debugreg.h diff | blob | history
arch/x86/kernel/traps.c diff | blob | history
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