linux-kernel - [PATCH] arch/powerpc: Remove the definition of unused cede function

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Date: Tue, 14 May 2024 15:35:03 +0530
From: Gautam Menghani <gautam@...ux.ibm.com>
To: mpe@...erman.id.au, npiggin@...il.com, christophe.leroy@...roup.eu,
        naveen.n.rao@...ux.ibm.com
Cc: Gautam Menghani <gautam@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arch/powerpc: Remove the definition of unused cede function

Remove extended_cede_processor() definition as it has no callers since
commit 48f6e7f6d948("powerpc/pseries: remove cede offline state for CPUs")

Signed-off-by: Gautam Menghani <gautam@...ux.ibm.com>
---
 arch/powerpc/include/asm/plpar_wrappers.h | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h
index b3ee44a40c2f..6431fa1e1cb1 100644
--- a/arch/powerpc/include/asm/plpar_wrappers.h
+++ b/arch/powerpc/include/asm/plpar_wrappers.h
@@ -37,24 +37,6 @@ static inline long cede_processor(void)
 	return plpar_hcall_norets_notrace(H_CEDE);
 }
 
-static inline long extended_cede_processor(unsigned long latency_hint)
-{
-	long rc;
-	u8 old_latency_hint = get_cede_latency_hint();
-
-	set_cede_latency_hint(latency_hint);
-
-	rc = cede_processor();
-
-	/* Ensure that H_CEDE returns with IRQs on */
-	if (WARN_ON(IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG) && !(mfmsr() & MSR_EE)))
-		__hard_irq_enable();
-
-	set_cede_latency_hint(old_latency_hint);
-
-	return rc;
-}
-
 static inline long vpa_call(unsigned long flags, unsigned long cpu,
 		unsigned long vpa)
 {
-- 
2.45.0