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authorDave Martin <Dave.Martin@arm.com>2019-06-12 17:00:34 +0100
committerWill Deacon <will@kernel.org>2019-07-22 11:49:03 +0100
commited2f3e9ff637c7c9f65b98468a084393683ff93b (patch)
tree851f867432dbf41e69df094edb63961cc3b4ca34 /arch
parentd16af870a70e0e399126c6419f92e7badf5e465b (diff)
downloadlinux-ed2f3e9ff637c7c9f65b98468a084393683ff93b.tar.bz2
arm64/sve: Fix a couple of magic numbers for the Z-reg count
There are some hand-written instances of "32" to express the number of SVE Z-registers. Since this code was written a #define was added for this, so convert trivial instances of this magic number as appropriate. No functional change. Reviewed-by: Julien Grall <julien.grall@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/kernel/fpsimd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 386d848e6b42..37d3912cfe06 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -412,7 +412,7 @@ static void __fpsimd_to_sve(void *sst, struct user_fpsimd_state const *fst,
unsigned int i;
__uint128_t *p;
- for (i = 0; i < 32; ++i) {
+ for (i = 0; i < SVE_NUM_ZREGS; ++i) {
p = (__uint128_t *)ZREG(sst, vq, i);
*p = arm64_cpu_to_le128(fst->vregs[i]);
}
@@ -466,7 +466,7 @@ static void sve_to_fpsimd(struct task_struct *task)
return;
vq = sve_vq_from_vl(task->thread.sve_vl);
- for (i = 0; i < 32; ++i) {
+ for (i = 0; i < SVE_NUM_ZREGS; ++i) {
p = (__uint128_t const *)ZREG(sst, vq, i);
fst->vregs[i] = arm64_le128_to_cpu(*p);
}