[12/13] KVM: arm: avoid binary number literals for gcc-4.2

Message ID 20161216105634.235457-13-arnd@arndb.de
State New
Headers show
Series
  • [01/13,HACK] gcc-4.5: avoid link errors for unused function pointers
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Commit Message

Arnd Bergmann Dec. 16, 2016, 10:56 a.m.
Old gcc versions prior to 4.3 don't understand the 0b... syntax for
numbers, and this seems to be the only instance in the kernel, so better
use hexadecimal instead.

arch/arm/include/asm/kvm_mmu.h:127:38: error: invalid suffix "b101" on integer constant

Fixes: 159793001d7d ("ARM: KVM: force cache clean on page fault when caches are off")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 arch/arm/include/asm/kvm_mmu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.9.0

Patch

diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 74a44727f8e1..61121300174f 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -124,7 +124,7 @@  struct kvm;
 
 static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu)
 {
-	return (vcpu_cp15(vcpu, c1_SCTLR) & 0b101) == 0b101;
+	return (vcpu_cp15(vcpu, c1_SCTLR) & 0x5) == 0x5;
 }
 
 static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,