[PATCH v2] powerpc: Remove flush_instruction_cache() on 8xx

Subsystems: linux for powerpc (32-bit and 64-bit), the rest

STALE2152d LANDED

Landed in mainline as 76d46a1e2fe2 on 2020-09-02.

2 messages, 2 authors, 2020-09-09 · open the first message on its own page

[PATCH v2] powerpc: Remove flush_instruction_cache() on 8xx

From: Christophe Leroy <hidden>
Date: 2020-08-14 05:49:35

flush_instruction_cache() is never used on 8xx, remove it.

Signed-off-by: Christophe Leroy <redacted>
---
v2: Becomes a standalone patch independant of the series dismantling the ASM flush_instruction_cache()
---
 arch/powerpc/mm/nohash/8xx.c | 7 -------
 1 file changed, 7 deletions(-)
diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index d2b37146ae6c..231ca95f9ffb 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -244,13 +244,6 @@ void set_context(unsigned long id, pgd_t *pgd)
 	mb();
 }
 
-void flush_instruction_cache(void)
-{
-	isync();
-	mtspr(SPRN_IC_CST, IDC_INVALL);
-	isync();
-}
-
 #ifdef CONFIG_PPC_KUEP
 void __init setup_kuep(bool disabled)
 {
-- 
2.25.0

Re: [PATCH v2] powerpc: Remove flush_instruction_cache() on 8xx

From: Michael Ellerman <hidden>
Date: 2020-09-09 16:34:54

On Fri, 14 Aug 2020 05:49:29 +0000 (UTC), Christophe Leroy wrote:
flush_instruction_cache() is never used on 8xx, remove it.
Applied to powerpc/next.

[1/1] powerpc: Remove flush_instruction_cache() on 8xx
      https://git.kernel.org/powerpc/c/76d46a1e2fe2c35f24c07b7cc8a41afbf98b349e

cheers
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