ARCv2: save r30 on kernel entry as gcc uses it for code-gen

[linux-2.6-block.git] / arch / arc / include / asm / entry-arcv2.h

diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index b5ff87e6f4b71352fc8990624114c025b6c5ccb0..aee1a77934cf694e37ae579347a37bc167e43762 100644 (file)
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -16,6 +16,7 @@
        ;
        ; Now manually save: r12, sp, fp, gp, r25
 
+       PUSH    r30
        PUSH    r12
 
        ; Saving pt_regs->sp correctly requires some extra work due to the way
@@ -72,6 +73,7 @@
        POPAX   AUX_USER_SP
 1:
        POP     r12
+       POP     r30
 
 .endm