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| author | Michal Simek <monstr@monstr.eu> | 2010-06-22 18:04:00 +0400 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2010-08-04 12:22:51 +0400 |
| commit | 40eb0dc456dc3dd3f01da94e1f36085e956f20cc (patch) | |
| tree | 1bfe9a5ee5cf6d866998ea6e6ed7765edfb4f0fe /arch/microblaze | |
| parent | 653e447e113a19fcb54d454b9f5a3bff9979729f (diff) | |
| download | linux-40eb0dc456dc3dd3f01da94e1f36085e956f20cc.tar.xz | |
microblaze: Remove additional loading
We don't need to save r0 to PT_R0. It could be additional
operation.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/kernel/entry.S | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index 9b8e072d828d..8f4a45e34a9e 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -535,8 +535,6 @@ C_ENTRY(sys_rt_sigreturn_wrapper): lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); \ swi r11, r1, PTO+PT_R1; /* Store user SP. */ \ 2: lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); \ - /* Save away the syscall number. */ \ - swi r0, r1, PTO+PT_R0; \ tovirt(r1,r1) C_ENTRY(full_exception_trap): @@ -753,7 +751,6 @@ C_ENTRY(_interrupt): swi r11, r1, PTO+PT_R1; 2: lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); - swi r0, r1, PTO + PT_R0; tovirt(r1,r1) addik r5, r1, PTO; set_vms; @@ -868,8 +865,6 @@ C_ENTRY(_debug_exception): lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); swi r11, r1, PTO+PT_R1; /* Store user SP. */ 2: - /* Save away the syscall number. */ - swi r0, r1, PTO+PT_R0; tovirt(r1,r1) set_vms; |