| Message ID | 20250404174435.3288106-3-mark.rutland@arm.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: Preparatory FPSIMD/SVE/SME fixes | expand |
On Fri, Apr 04, 2025 at 06:44:23PM +0100, Mark Rutland wrote: > There have been no users of fpsimd_force_sync_to_sve() since commit: > > bbc6172eefdb276b ("arm64/fpsimd: SME no longer requires SVE register state") > > Remove fpsimd_force_sync_to_sve(). > --- > arch/arm64/kernel/fpsimd.c | 14 -------------- > 1 file changed, 14 deletions(-) There's also a prototype for this function in asm/fpsimd.h which should be removed as well.
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 1ee5f330b8ed3..1391a491f2226 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -758,20 +758,6 @@ void sve_alloc(struct task_struct *task, bool flush) kzalloc(sve_state_size(task), GFP_KERNEL); } - -/* - * Force the FPSIMD state shared with SVE to be updated in the SVE state - * even if the SVE state is the current active state. - * - * This should only be called by ptrace. task must be non-runnable. - * task->thread.sve_state must point to at least sve_state_size(task) - * bytes of allocated kernel memory. - */ -void fpsimd_force_sync_to_sve(struct task_struct *task) -{ - fpsimd_to_sve(task); -} - /* * Ensure that task->thread.sve_state is up to date with respect to * the user task, irrespective of when SVE is in use or not.
There have been no users of fpsimd_force_sync_to_sve() since commit: bbc6172eefdb276b ("arm64/fpsimd: SME no longer requires SVE register state") Remove fpsimd_force_sync_to_sve(). Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Will Deacon <will@kernel.org> --- arch/arm64/kernel/fpsimd.c | 14 -------------- 1 file changed, 14 deletions(-)