aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc/mm
diff options
context:
space:
mode:
authorSam Ravnborg <sam@ravnborg.org>2012-05-11 11:35:13 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-11 19:27:52 -0700
commitef136bc91e3a98d34f32d85ab0c79de67b4f6f87 (patch)
tree6455e0125f740e5afdb18d3c11daf2b9c2c44729 /arch/sparc/mm
parente098ff92f65048ce327927c0ce3daed0ef34988f (diff)
downloadlinux-ef136bc91e3a98d34f32d85ab0c79de67b4f6f87.tar.gz
sparc32: drop sun4c user stack checking routine
With this we no longer do any run-time patchings of traps. So drop the function + macro to support this. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/srmmu.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index deb7dd8ea97..a948ee52e26 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -2134,19 +2134,6 @@ extern unsigned long spwin_mmu_patchme, fwin_mmu_patchme,
extern unsigned long spwin_srmmu_stackchk, srmmu_fwin_stackchk,
tsetup_srmmu_stackchk, srmmu_rett_stackchk;
-#define PATCH_BRANCH(insn, dest) do { \
- iaddr = &(insn); \
- daddr = &(dest); \
- *iaddr = SPARC_BRANCH((unsigned long) daddr, (unsigned long) iaddr); \
- } while(0)
-
-static void __init patch_window_trap_handlers(void)
-{
- unsigned long *iaddr, *daddr;
-
- PATCH_BRANCH(rtrap_mmu_patchme, srmmu_rett_stackchk);
-}
-
#ifdef CONFIG_SMP
/* Local cross-calls. */
static void smp_flush_page_for_dma(unsigned long page)
@@ -2270,7 +2257,6 @@ void __init ld_mmu_srmmu(void)
BTFIXUPSET_CALL(pgoff_to_pte, srmmu_pgoff_to_pte, BTFIXUPCALL_NORM);
get_srmmu_type();
- patch_window_trap_handlers();
#ifdef CONFIG_SMP
/* El switcheroo... */