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UPSTREAM: arm64/sve: Make sve_state_size() static

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There are no users outside fpsimd.c so make sve_state_size() static.
KVM open codes an equivalent.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211019172247.3045838-4-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
(cherry picked from commit 12cc2352bf)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 233587962
Bug: 233588291
Change-Id: I9b18fedf61a21c66b88b69fe9a0bab8ffea6596b
This commit is contained in:
Mark Brown
2021-10-19 18:22:08 +01:00
committed by Will Deacon
parent d1c5ae0523
commit e2cb66c112
2 changed files with 1 additions and 3 deletions
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2
arch/arm64/include/asm/fpsimd.h
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@@ -104,8 +104,6 @@ static inline bool sve_vq_available(unsigned int vq)
#ifdef CONFIG_ARM64_SVE
extern size_t sve_state_size(struct task_struct const *task);
extern void sve_alloc(struct task_struct *task);
extern void fpsimd_release_task(struct task_struct *task);
extern void fpsimd_sync_to_sve(struct task_struct *task);

2
arch/arm64/kernel/fpsimd.c
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@@ -507,7 +507,7 @@ static void sve_to_fpsimd(struct task_struct *task)
* Return how many bytes of memory are required to store the full SVE
* state for task, given task's currently configured vector length.
*/
size_t sve_state_size(struct task_struct const *task)
static size_t sve_state_size(struct task_struct const *task)
{
return SVE_SIG_REGS_SIZE(sve_vq_from_vl(task->thread.sve_vl));
}