Re: [PATCH 3/4] x86_64 ia32 syscall audit fast-path
From: Roland McGrath
Date: Mon Jul 21 2008 - 19:55:09 EST
> do you have a delta patch against tip/x86/audit-speedup by any chance?
> That is a topic branch of your previous drop, which got tested as well
> to a certain degree. Would make it easier to see what changed, would
> make the merge have a more nuanced history, etc.
> or, alternatively, if you have a -git based branch that i could pull,
> that would be nice as well. (i can compare old-x86/audit-speedup to
Here is a GIT branch with freshly-rebased patches from today's upstream.
There was some merging fixup to be done after the x86/step changes went in.
I don't think it's useful to have a history merged upstream that includes
the original broken 3/4 patch. The newer version both has the straight
line paths Linus wanted, and works right on AMD. If we had the old version
in GIT, then there would be a point in the history that builds a kernel
that's broken for all 32-bit processes on 64-bit AMD hardware. Anyone
doing a bisect in the future could get unlucky hit that along the way, etc.
Anyway, you'd have to redo this merging work with x86/step just to get one
that builds now.
The following changes since commit 93ded9b8fd42abe2c3607097963d8de6ad9117eb:
Linus Torvalds (1):
are available in the git repository at:
Roland McGrath (4):
x86_64: remove bogus optimization in sysret_signal
x86_64 syscall audit fast-path
x86_64 ia32 syscall audit fast-path
i386 syscall audit fast-path
arch/x86/ia32/ia32entry.S | 78 +++++++++++++++++++++++++++++++++++++++++--
arch/x86/kernel/entry_32.S | 48 ++++++++++++++++++++++++++-
arch/x86/kernel/entry_64.S | 49 +++++++++++++++++++++++++---
kernel/auditsc.c | 3 +-
4 files changed, 166 insertions(+), 12 deletions(-)
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