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Commit 40eb0dc4 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Remove additional loading 



We don't need to save r0 to PT_R0. It could be additional
operation.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 653e447e

arch/microblaze/kernel/entry.S

+0 −5
Original line number Diff line number Diff line
@@ -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;