Messages in this thread Patch in this message | | | From | Denys Vlasenko <> | Subject | [PATCH 3/5] x86/asm/entry/64: remove redundant DISABLE_INTERRUPTS | Date | Mon, 30 Mar 2015 20:09:33 +0200 |
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At this location, we already have interrupts off, always. To be more specific, we already disabled them here:
ret_from_intr: DISABLE_INTERRUPTS(CLBR_NONE)
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com> CC: Linus Torvalds <torvalds@linux-foundation.org> CC: Steven Rostedt <rostedt@goodmis.org> CC: Ingo Molnar <mingo@kernel.org> CC: Borislav Petkov <bp@alien8.de> CC: "H. Peter Anvin" <hpa@zytor.com> CC: Andy Lutomirski <luto@amacapital.net> CC: Oleg Nesterov <oleg@redhat.com> CC: Frederic Weisbecker <fweisbec@gmail.com> CC: Alexei Starovoitov <ast@plumgrid.com> CC: Will Drewry <wad@chromium.org> CC: Kees Cook <keescook@chromium.org> CC: x86@kernel.org CC: linux-kernel@vger.kernel.org --- arch/x86/kernel/entry_64.S | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 4d723ed..290ecb3 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -749,7 +749,6 @@ retint_kernel: jmp exit_intr 1: #endif - DISABLE_INTERRUPTS(CLBR_ANY) /* * The iretq could re-enable interrupts: */ -- 1.8.1.4
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