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Message-Id: <20070719095520.2124414E06@wotan.suse.de> Date: Thu, 19 Jul 2007 11:55:20 +0200 (CEST) From: Andi Kleen <ak@...e.de> To: jbeulich@...ell.com, patches@...-64.org, linux-kernel@...r.kernel.org Subject: [PATCH] [34/58] x86_64: ia32entry adjustments From: "Jan Beulich" <jbeulich@...ell.com> Consolidate the three 32-bit system call entry points so that they all treat registers in similar ways. Signed-off-by: Jan Beulich <jbeulich@...ell.com> Signed-off-by: Andi Kleen <ak@...e.de> arch/x86_64/ia32/ia32entry.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Index: linux/arch/x86_64/ia32/ia32entry.S =================================================================== --- linux.orig/arch/x86_64/ia32/ia32entry.S +++ linux/arch/x86_64/ia32/ia32entry.S @@ -104,7 +104,7 @@ ENTRY(ia32_sysenter_target) pushq %rax CFI_ADJUST_CFA_OFFSET 8 cld - SAVE_ARGS 0,0,0 + SAVE_ARGS 0,0,1 /* no need to do an access_ok check here because rbp has been 32bit zero extended */ 1: movl (%rbp),%r9d @@ -294,7 +294,7 @@ ia32_badarg: */ ENTRY(ia32_syscall) - CFI_STARTPROC simple + CFI_STARTPROC32 simple CFI_SIGNAL_FRAME CFI_DEF_CFA rsp,SS+8-RIP /*CFI_REL_OFFSET ss,SS-RIP*/ @@ -330,6 +330,7 @@ ia32_sysret: ia32_tracesys: SAVE_REST + CLEAR_RREGS movq $-ENOSYS,RAX(%rsp) /* really needed? */ movq %rsp,%rdi /* &pt_regs -> arg1 */ call syscall_trace_enter - 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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