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authorIngo Molnar <mingo@kernel.org>2017-09-01 11:04:56 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-09-01 11:04:56 +0200
commitc6ef89421e236d75693ae968d80d44a52409889d (patch)
tree121cf5e22a03352ee9294ef02172ee5da72228c8 /arch/x86/boot/compressed/eboot.c
parent5878d5d6fdef6447d73b0acc121ba445bef37f53 (diff)
x86/idt: Fix the X86_TRAP_BP gate
Andrei Vagin reported a CRIU regression and bisected it back to: 90f6225fba0c ("x86/idt: Move IST stack based traps to table init") This table init conversion loses the system-gate property of X86_TRAP_BP and erroneously moves it from DPL3 to DPL0. Fix it. Reported-by: Andrei Vagin <avagin@virtuozzo.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: dvlasenk@redhat.com Cc: linux-tip-commits@vger.kernel.org Cc: peterz@infradead.org Cc: brgerst@gmail.com Cc: rostedt@goodmis.org Cc: bp@alien8.de Cc: luto@kernel.org Cc: jpoimboe@redhat.com Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: torvalds@linux-foundation.org Cc: tip-bot for Jacob Shin <tipbot@zytor.com> Link: http://lkml.kernel.org/r/20170901082630.xvyi5bwk6etmppqc@gmail.com
Diffstat (limited to 'arch/x86/boot/compressed/eboot.c')
0 files changed, 0 insertions, 0 deletions