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Message-ID: <20140413174508.GA11811@redhat.com>
Date: Sun, 13 Apr 2014 19:45:08 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Ingo Molnar <mingo@...e.hu>,
Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>,
Anton Arapov <aarapov@...hat.com>,
David Long <dave.long@...aro.org>,
Denys Vlasenko <dvlasenk@...hat.com>,
"Frank Ch. Eigler" <fche@...hat.com>,
Jim Keniston <jkenisto@...ibm.com>,
Jonathan Lebon <jlebon@...hat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 00/15] uprobes/x86: fix the handling of relative
jmp's/call's
Hello.
OK, let me resend everything. This is what I am going to add to my tree
and ask Ingo to pull. I am still testing this all, seems to work so far.
Changes:
01-09: No changes, added the acks from Masami.
09-15: Updated the changelogs, the comments in 13/15, plus the
following renames:
- s/ttt/branch/
- s/disp/offs/
- s/_clear_displacement/_clear_offset/
No changes in compiled code, I preserved the acks from Jim.
>From 13/15:
Note: as Denys Vlasenko pointed out, amd and intel treat "callw" (0x66 0xe8)
differently. This patch relies on lib/insn.c and thus implements the intel's
behaviour: 0x66 is simply ignored. Fortunately nothing sane should ever use
this insn, so we postpone the fix until we decide what should we do; emulate
or not, support or not, etc.
Yes. Lets discuss (and fix?) this separately, I'll write another email.
Any objections?
Oleg.
arch/x86/include/asm/uprobes.h | 16 +-
arch/x86/kernel/uprobes.c | 551 +++++++++++++++++++++++++---------------
kernel/events/uprobes.c | 31 +--
3 files changed, 372 insertions(+), 226 deletions(-)
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