We now have r11 available as a scratch register so INVALIDATE_ADJACENT_PAGES_CPU15() can be simplified.
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> --- arch/powerpc/kernel/head_8xx.S | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 775b4f4d011e..558c8e615ef9 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -180,14 +180,13 @@ SystemCall: */ #ifdef CONFIG_8xx_CPU15 -#define INVALIDATE_ADJACENT_PAGES_CPU15(addr) \ - addi addr, addr, PAGE_SIZE; \ - tlbie addr; \ - addi addr, addr, -(PAGE_SIZE << 1); \ - tlbie addr; \ - addi addr, addr, PAGE_SIZE +#define INVALIDATE_ADJACENT_PAGES_CPU15(addr, tmp) \ + addi tmp, addr, PAGE_SIZE; \ + tlbie tmp; \ + addi tmp, addr, -PAGE_SIZE; \ + tlbie tmp #else -#define INVALIDATE_ADJACENT_PAGES_CPU15(addr) +#define INVALIDATE_ADJACENT_PAGES_CPU15(addr, tmp) #endif InstructionTLBMiss: @@ -198,7 +197,7 @@ InstructionTLBMiss: * kernel page tables. */ mfspr r10, SPRN_SRR0 /* Get effective address of fault */ - INVALIDATE_ADJACENT_PAGES_CPU15(r10) + INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11) mtspr SPRN_MD_EPN, r10 #ifdef CONFIG_MODULES mfcr r11 -- 2.25.0