[PATCH] ppc64 syscall_exit_work: call the save_nvgprs function, not its descriptor.
authorDavid Woodhouse <dwmw2@infradead.org>
Fri, 18 Nov 2005 12:15:33 +0000 (12:15 +0000)
committerPaul Mackerras <paulus@samba.org>
Mon, 9 Jan 2006 03:49:42 +0000 (14:49 +1100)
On Tue, 2005-11-15 at 18:52 +0000, David Woodhouse wrote:
> This cleanup patch speeds up the null syscall path on ppc64 by about 3%,
> and brings the ppc32 and ppc64 code slightly closer together.

Needs this unless your binutils, like mine, are clever enough to notice
my stupidity and fix it up automatically...

Spotted by Paul.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/kernel/entry_64.S

index 0bff31f..7b93971 100644 (file)
@@ -241,7 +241,7 @@ syscall_exit_work:
        bne-    3b
        subi    r12,r12,TI_FLAGS
        
-4:     bl      save_nvgprs
+4:     bl      .save_nvgprs
        /* Anything else left to do? */
        andi.   r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP|_TIF_SAVE_NVGPRS)
        beq     .ret_from_except_lite