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| author | Dave Martin | 2019-06-12 18:00:34 +0200 |
|---|---|---|
| committer | Will Deacon | 2019-07-22 12:49:03 +0200 |
| commit | ed2f3e9ff637c7c9f65b98468a084393683ff93b (patch) | |
| tree | 851f867432dbf41e69df094edb63961cc3b4ca34 /arch/arm64 | |
| parent | arm64/sve: Factor out FPSIMD to SVE state conversion (diff) | |
| download | kernel-qcow2-linux-ed2f3e9ff637c7c9f65b98468a084393683ff93b.tar.gz kernel-qcow2-linux-ed2f3e9ff637c7c9f65b98468a084393683ff93b.tar.xz kernel-qcow2-linux-ed2f3e9ff637c7c9f65b98468a084393683ff93b.zip | |
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/arm64')
| -rw-r--r-- | arch/arm64/kernel/fpsimd.c | 4 |
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); } |