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| author |   Anshuman Khandual <khandual@linux.vnet.ibm.com> | 2015-07-29 12:40:04 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2015-08-12 15:05:47 +1000 |
| commit | 8218a3031c204b20582ba689aaf3bb6d318779d3 (patch) | |
| tree | 9976c3f33138ef01be187973abedc8ea3fe238da /arch/powerpc/xmon | |
| parent | powerpc/prom: Simplify the logic to fetch SLB size (diff) | |
| download | linux-dev-8218a3031c204b20582ba689aaf3bb6d318779d3.tar.xz linux-dev-8218a3031c204b20582ba689aaf3bb6d318779d3.zip | |
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 <khandual@linux.vnet.ibm.com>
[mpe: Rewrite change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/xmon')
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 7 |
1 files changed, 3 insertions, 4 deletions
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", |