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authorRoland McGrath <roland@redhat.com>2008-06-24 04:16:52 -0700
committerRoland McGrath <roland@redhat.com>2008-07-23 18:00:30 -0700
commitaf0575bba0f46dd9054d46e0a88c57afad3bf4d2 (patch)
treeee1ed0a8344e67f4ab62d99b7ec03395f88862c5 /drivers/zorro/Makefile
parent5cbf1565f29eb57a86a305b08836613508e294d7 (diff)
downloadlinux-af0575bba0f46dd9054d46e0a88c57afad3bf4d2.tar.gz
i386 syscall audit fast-path
This adds fast paths for 32-bit syscall entry and exit when TIF_SYSCALL_AUDIT is set, but no other kind of syscall tracing. These paths does not need to save and restore all registers as the general case of tracing does. Avoiding the iret return path when syscall audit is enabled helps performance a lot. Signed-off-by: Roland McGrath <roland@redhat.com>
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