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Date: Sat, 2 Jul 2011 18:29:42 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: Ingo Molnar <mingo@...e.hu> Cc: LKML <linux-kernel@...r.kernel.org>, Frederic Weisbecker <fweisbec@...il.com>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Arnaldo Carvalho de Melo <acme@...hat.com>, Jan Beulich <JBeulich@...ell.com> Subject: [PATCH 4/6] x86,64: Separate arg1 from rbp handling in SAVE_REGS_IRQ Just for clarity in the code. Have a first block that handles the frame pointer and a separate one that handles pt_regs pointer and its use. Signed-off-by: Frederic Weisbecker <fweisbec@...il.com> Cc: Ingo Molnar <mingo@...e.hu> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: H. Peter Anvin <hpa@...or.com> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Arnaldo Carvalho de Melo <acme@...hat.com> Cc: Jan Beulich <JBeulich@...ell.com> --- arch/x86/kernel/entry_64.S | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index b6b2e85..20dc8e6 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -310,9 +310,10 @@ ENDPROC(native_usergs_sysret64) movq_cfi r10, R10-RBP movq_cfi r11, R11-RBP - leaq -RBP(%rsp),%rdi /* arg1 for handler */ movq_cfi rbp, 0 /* push %rbp */ movq %rsp, %rbp + + leaq -RBP(%rsp),%rdi /* arg1 for handler */ testl $3, CS(%rdi) je 1f SWAPGS -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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