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From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [GIT PULL] x86/process change for v3.4
Date: Mon, 19 Mar 2012 18:12:29 +0100	[thread overview]
Message-ID: <20120319171229.GA14978@gmail.com> (raw)

Linus,

Please pull the latest x86-process-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-process-for-linus

   HEAD: 42dfc43ee5999ac64284476ea0ac6c937587cf2b x86_64: Record stack pointer before task execution begins

 Thanks,

	Ingo

------------------>
Siddhesh Poyarekar (1):
      x86_64: Record stack pointer before task execution begins


 arch/x86/kernel/process_64.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 1fd94bc..eb54dd0 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -341,6 +341,7 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip,
 	loadsegment(es, _ds);
 	loadsegment(ds, _ds);
 	load_gs_index(0);
+	current->thread.usersp	= new_sp;
 	regs->ip		= new_ip;
 	regs->sp		= new_sp;
 	percpu_write(old_rsp, new_sp);

                 reply	other threads:[~2012-03-19 17:12 UTC|newest]

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