From 8218a3031c204b20582ba689aaf3bb6d318779d3 Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Wed, 29 Jul 2015 12:40:04 +0530 Subject: powerpc/xmon: Drop the valid variable completely in dump_segments() The value of 'valid' is always zero when 'esid' is zero, and if 'esid' is non-zero then the value of 'valid' is irrelevant because we are using logical or in the if expression. In fact 'valid' can be dropped completely from dump_segments() by simply doing the check with SLB_ESID_V directly in the if. Signed-off-by: Anshuman Khandual [mpe: Rewrite change log] Signed-off-by: Michael Ellerman --- arch/powerpc/xmon/xmon.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 7a39f6cb8a3d..6ef1231c6e9c 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -2730,7 +2730,7 @@ static void xmon_print_symbol(unsigned long address, const char *mid, void dump_segments(void) { int i; - unsigned long esid,vsid,valid; + unsigned long esid,vsid; unsigned long llp; printf("SLB contents of cpu 0x%x\n", smp_processor_id()); @@ -2738,10 +2738,9 @@ void dump_segments(void) for (i = 0; i < mmu_slb_size; i++) { asm volatile("slbmfee %0,%1" : "=r" (esid) : "r" (i)); asm volatile("slbmfev %0,%1" : "=r" (vsid) : "r" (i)); - valid = (esid & SLB_ESID_V); - if (valid | esid | vsid) { + if (esid || vsid) { printf("%02d %016lx %016lx", i, esid, vsid); - if (valid) { + if (esid & SLB_ESID_V) { llp = vsid & SLB_VSID_LLP; if (vsid & SLB_VSID_B_1T) { printf(" 1T ESID=%9lx VSID=%13lx LLP:%3lx \n", -- cgit v1.2.3