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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
[PATCH] i386: fix singlestepping though a syscall
Do not mask TIF_SINGLESTEP bit in _TIF_WORK_MASK. Masking this stopped
do_notify_resume() from being called when it should have been.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
authored by Chuck Ebbert and committed by Linus Torvalds cfe91f9c d3086439
+2
-2
include/asm-i386/thread_info.h
+2
-2
include/asm-i386/thread_info.h
···
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/* work to do on interrupt/exception return */
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#define _TIF_WORK_MASK \
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-
(0x0000FFFF & ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP|\
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-
_TIF_SECCOMP|_TIF_SYSCALL_EMU))
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/* work to do on any return to u-space */
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#define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP)
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···
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/* work to do on interrupt/exception return */
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#define _TIF_WORK_MASK \
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+
(0x0000FFFF & ~(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
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+
_TIF_SECCOMP | _TIF_SYSCALL_EMU))
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/* work to do on any return to u-space */
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#define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP)
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