From 40eb0dc456dc3dd3f01da94e1f36085e956f20cc Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 22 Jun 2010 16:04:00 +0200 Subject: microblaze: Remove additional loading We don't need to save r0 to PT_R0. It could be additional operation. Signed-off-by: Michal Simek diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index 9b8e072d..8f4a45e 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; -- cgit v0.10.2