* [PATCH v2] powerpc: Remove flush_instruction_cache() on 8xx
@ 2020-08-14 5:49 Christophe Leroy
2020-09-09 13:27 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2020-08-14 5:49 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman, hch
Cc: linux-kernel, linuxppc-dev
flush_instruction_cache() is never used on 8xx, remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] powerpc: Remove flush_instruction_cache() on 8xx
2020-08-14 5:49 [PATCH v2] powerpc: Remove flush_instruction_cache() on 8xx Christophe Leroy
@ 2020-09-09 13:27 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2020-09-09 13:27 UTC (permalink / raw)
To: hch, Michael Ellerman, Christophe Leroy, Paul Mackerras,
Benjamin Herrenschmidt
Cc: linuxppc-dev, linux-kernel
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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