[PATCH 9/9] arm64: fpsimd: Remove obsolete cond_yield macro

Eric Biggers posted 9 patches 8 hours ago
[PATCH 9/9] arm64: fpsimd: Remove obsolete cond_yield macro
Posted by Eric Biggers 8 hours ago
All invocations of the cond_yield macro have been removed, so remove the
macro definition as well.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
---
 arch/arm64/include/asm/assembler.h | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index d3d46e5f7188..9d7c9ae5ac96 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -746,32 +746,10 @@ alternative_else_nop_endif
 
 .macro set_sctlr_el2, reg
 	set_sctlr sctlr_el2, \reg
 .endm
 
-	/*
-	 * Check whether asm code should yield as soon as it is able. This is
-	 * the case if we are currently running in task context, and the
-	 * TIF_NEED_RESCHED flag is set. (Note that the TIF_NEED_RESCHED flag
-	 * is stored negated in the top word of the thread_info::preempt_count
-	 * field)
-	 */
-	.macro		cond_yield, lbl:req, tmp:req, tmp2
-#ifdef CONFIG_PREEMPT_VOLUNTARY
-	get_current_task \tmp
-	ldr		\tmp, [\tmp, #TSK_TI_PREEMPT]
-	/*
-	 * If we are serving a softirq, there is no point in yielding: the
-	 * softirq will not be preempted no matter what we do, so we should
-	 * run to completion as quickly as we can. The preempt_count field will
-	 * have BIT(SOFTIRQ_SHIFT) set in this case, so the zero check will
-	 * catch this case too.
-	 */
-	cbz		\tmp, \lbl
-#endif
-	.endm
-
 /*
  * Branch Target Identifier (BTI)
  */
 	.macro  bti, targets
 	.equ	.L__bti_targets_c, 34
-- 
2.53.0