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authorAndy Lutomirski <[email protected]>2015-10-16 15:42:54 -0700
committerIngo Molnar <[email protected]>2015-10-18 12:11:16 +0200
commit657c1eea0019e80685a84cbb1919794243a187c9 (patch)
tree67eeeb89260f28257628ecbd7f8531ce63925d5b /tools/perf/util/trace-event-scripting.c
parent612bece654ff6cd43160e201985be826e96b8bcb (diff)
x86/entry/32: Fix entry_INT80_32() to expect interrupts to be on
When I rewrote entry_INT80_32, I thought that int80 was an interrupt gate. It's a trap gate. *facepalm* Thanks to Brian Gerst for pointing out that it's better to change the entry code than to change the gate type. Suggested-by: Brian Gerst <[email protected]> Reported-and-tested-by: Borislav Petkov <[email protected]> Signed-off-by: Andy Lutomirski <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Fixes: 150ac78d63af ("x86/entry/32: Switch INT80 to the new C syscall path") Link: http://lkml.kernel.org/r/dc09d9b574a5c1dcca996847875c73f8341ce0ad.1445035014.git.luto@kernel.org Signed-off-by: Ingo Molnar <[email protected]>
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