Message ID | 20190802122540.26385-7-drjones@redhat.com |
---|---|
State | New |
Headers | show |
Series | target/arm/kvm: enable SVE in guests | expand |
On 8/2/19 5:25 AM, Andrew Jones wrote: > Unless we're guaranteed to always increase ARM_MAX_VQ by a multiple of > four, then we should use DIV_ROUND_UP to ensure we get an appropriate > array size. > > Signed-off-by: Andrew Jones <drjones@redhat.com> > --- > target/arm/cpu.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 94c990cddbd8..a3300f3ee7d7 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -195,7 +195,7 @@ typedef struct ARMVectorReg { #ifdef TARGET_AARCH64 /* In AArch32 mode, predicate registers do not exist at all. */ typedef struct ARMPredicateReg { - uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16); + uint64_t p[DIV_ROUND_UP(2 * ARM_MAX_VQ, 8)] QEMU_ALIGNED(16); } ARMPredicateReg; /* In AArch32 mode, PAC keys do not exist at all. */
Unless we're guaranteed to always increase ARM_MAX_VQ by a multiple of four, then we should use DIV_ROUND_UP to ensure we get an appropriate array size. Signed-off-by: Andrew Jones <drjones@redhat.com> --- target/arm/cpu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)