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authorAndy Lutomirski <luto@amacapital.net>2014-11-21 22:26:07 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2014-11-23 23:25:28 +0100
commit82975bc6a6df743b9a01810fb32cb65d0ec5d60b (patch)
treeb5a5b092dcd8420d9f72bf66be2e6544a5622040 /Makefile
parentsched: Provide update_curr callbacks for stop/idle scheduling classes (diff)
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uprobes, x86: Fix _TIF_UPROBE vs _TIF_NOTIFY_RESUME
x86 call do_notify_resume on paranoid returns if TIF_UPROBE is set but not on non-paranoid returns. I suspect that this is a mistake and that the code only works because int3 is paranoid. Setting _TIF_NOTIFY_RESUME in the uprobe code was probably a workaround for the x86 bug. With that bug fixed, we can remove _TIF_NOTIFY_RESUME from the uprobes code. Reported-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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