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[Bug nptl/16630] Use SYSENTER for pthread_cond_broadcast/signal() (i.e. fix "FIXME: Ingo" issue)
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 25 Feb 2014 02:04:21 +0000
- Subject: [Bug nptl/16630] Use SYSENTER for pthread_cond_broadcast/signal() (i.e. fix "FIXME: Ingo" issue)
- Auto-submitted: auto-generated
- References: <bug-16630-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=16630
Rich Felker <bugdal at aerifal dot cx> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bugdal at aerifal dot cx
--- Comment #1 from Rich Felker <bugdal at aerifal dot cx> ---
Ideally this asm will be removed at some point; I think that would resolve this
issue automatically.
BTW, the idea of letting apps hook __kernel_vsyscall is a very bad one. In
order to fix issue #12683, use of __kernel_vsyscall needs to be abandoned for
cancellable syscalls. Treating such hooking as a supported usage would preclude
fixing a serious open bug.
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