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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>
This commit is contained in:
Dave Martin 2019-06-12 17:00:34 +01:00 committed by Will Deacon
parent d16af870a7
commit ed2f3e9ff6
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/kernel/fpsimd.c
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@ -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);
}