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ptrace_report_syscall: check if TIF_SYSCALL_EMU is defined

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This commit is contained in:
Dave Jones 2011-08-09 14:13:24 -04:00
parent b4b8a811e8
commit 18192bce4c
2 changed files with 82 additions and 0 deletions
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3
kernel.spec
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@ -1897,6 +1897,9 @@ fi
# ||----w |
# || ||
%changelog
* Tue Aug 09 2011 Dave Jones <davej@redhat.com>
- ptrace_report_syscall: check if TIF_SYSCALL_EMU is defined
* Tue Aug 09 2011 Dave Jones <davej@redhat.com>
- Enable CONFIG_SAMSUNG_LAPTOP (rhbz 729363)

79
utrace.patch
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@ -7256,3 +7256,82 @@ index 05e8532..c817a46 100644
1.5.5.1
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Date: Tue, 9 Aug 2011 19:36:56 +0200
From: Oleg Nesterov <oleg@redhat.com>
To: Dave Jones <davej@redhat.com>, "Frank Ch. Eigler" <fche@redhat.com>,
Josh Boyer <jwboyer@redhat.com>, Josh Stone <jistone@redhat.com>,
Kyle McMartin <kmcmartin@redhat.com>
Cc: kernel@lists.fedoraproject.org, utrace-devel@redhat.com
Subject: [PATCH utrace-3.1 32/31] ptrace_report_syscall: check if
TIF_SYSCALL_EMU is defined
Message-ID: <20110809173656.GC26443@redhat.com>
References: <20110802174514.GA23073@redhat.com> <20110803190806.GA30619@redhat.com>
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From: Tony Breeds <tony@bakeyournoodle.com>
TIF_SYSCALL_EMU is x86 only, add ifdef into ptrace_report_syscall().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---
include/linux/tracehook.h | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 90ca578..a1bac95 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -59,8 +59,12 @@ static inline void ptrace_report_syscall(struct pt_regs *regs)
{
int ptrace = current->ptrace;
- if (!(ptrace & PT_SYSCALL_TRACE) && !test_thread_flag(TIF_SYSCALL_EMU))
- return;
+ if (!(ptrace & PT_SYSCALL_TRACE)) {
+#ifdef TIF_SYSCALL_EMU
+ if (!test_thread_flag(TIF_SYSCALL_EMU))
+#endif
+ return;
+ }
ptrace_notify(SIGTRAP | ((ptrace & PT_TRACESYSGOOD) ? 0x80 : 0));
--
1.5.5.1