Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [7/23] x86: fix set but not read variables | Date | Thu, 10 Jun 2010 13:10:43 +0200 (CEST) |
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Just some dead code, no real bugs.
Found by gcc 4.6 -Wall
Cc: x86@kernel.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
--- arch/x86/kernel/aperture_64.c | 4 ++-- arch/x86/kernel/cpu/mtrr/generic.c | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-)
Index: linux-2.6.35-rc2-gcc/arch/x86/kernel/cpu/mtrr/generic.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/arch/x86/kernel/cpu/mtrr/generic.c +++ linux-2.6.35-rc2-gcc/arch/x86/kernel/cpu/mtrr/generic.c @@ -433,13 +433,12 @@ static void generic_get_mtrr(unsigned in { unsigned int mask_lo, mask_hi, base_lo, base_hi; unsigned int tmp, hi; - int cpu; /* * get_mtrr doesn't need to update mtrr_state, also it could be called * from any cpu, so try to print it out directly. */ - cpu = get_cpu(); + get_cpu(); rdmsr(MTRRphysMask_MSR(reg), mask_lo, mask_hi); Index: linux-2.6.35-rc2-gcc/arch/x86/kernel/aperture_64.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/arch/x86/kernel/aperture_64.c +++ linux-2.6.35-rc2-gcc/arch/x86/kernel/aperture_64.c @@ -280,7 +280,7 @@ void __init early_gart_iommu_check(void) * or BIOS forget to put that in reserved. * try to update e820 to make that region as reserved. */ - u32 agp_aper_base = 0, agp_aper_order = 0; + u32 agp_aper_order = 0; int i, fix, slot, valid_agp = 0; u32 ctl; u32 aper_size = 0, aper_order = 0, last_aper_order = 0; @@ -291,7 +291,7 @@ void __init early_gart_iommu_check(void) return; /* This is mostly duplicate of iommu_hole_init */ - agp_aper_base = search_agp_bridge(&agp_aper_order, &valid_agp); + search_agp_bridge(&agp_aper_order, &valid_agp); fix = 0; for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) {
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