* [PATCH] powerpc/mmu: Don't duplicate radix_enabled()
@ 2021-05-07 5:45 ` Christophe Leroy
0 siblings, 0 replies; 3+ messages in thread
From: Christophe Leroy @ 2021-05-07 5:45 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linux-kernel, linuxppc-dev
mmu_has_feature(MMU_FTR_TYPE_RADIX) can be evaluated regardless of
CONFIG_PPC_RADIX_MMU.
When CONFIG_PPC_RADIX_MMU is not set, mmu_has_feature(MMU_FTR_TYPE_RADIX)
will evaluate to 'false' at build time because MMU_FTR_TYPE_RADIX
wont be included in MMU_FTRS_POSSIBLE.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/include/asm/mmu.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 607168b1aef4..0a6a77437ab8 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -324,7 +324,6 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
}
#endif /* !CONFIG_DEBUG_VM */
-#ifdef CONFIG_PPC_RADIX_MMU
static inline bool radix_enabled(void)
{
return mmu_has_feature(MMU_FTR_TYPE_RADIX);
@@ -334,17 +333,6 @@ static inline bool early_radix_enabled(void)
{
return early_mmu_has_feature(MMU_FTR_TYPE_RADIX);
}
-#else
-static inline bool radix_enabled(void)
-{
- return false;
-}
-
-static inline bool early_radix_enabled(void)
-{
- return false;
-}
-#endif
#ifdef CONFIG_STRICT_KERNEL_RWX
static inline bool strict_kernel_rwx_enabled(void)
--
2.25.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] powerpc/mmu: Don't duplicate radix_enabled()
@ 2021-05-07 5:45 ` Christophe Leroy
0 siblings, 0 replies; 3+ messages in thread
From: Christophe Leroy @ 2021-05-07 5:45 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linuxppc-dev, linux-kernel
mmu_has_feature(MMU_FTR_TYPE_RADIX) can be evaluated regardless of
CONFIG_PPC_RADIX_MMU.
When CONFIG_PPC_RADIX_MMU is not set, mmu_has_feature(MMU_FTR_TYPE_RADIX)
will evaluate to 'false' at build time because MMU_FTR_TYPE_RADIX
wont be included in MMU_FTRS_POSSIBLE.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/include/asm/mmu.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 607168b1aef4..0a6a77437ab8 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -324,7 +324,6 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
}
#endif /* !CONFIG_DEBUG_VM */
-#ifdef CONFIG_PPC_RADIX_MMU
static inline bool radix_enabled(void)
{
return mmu_has_feature(MMU_FTR_TYPE_RADIX);
@@ -334,17 +333,6 @@ static inline bool early_radix_enabled(void)
{
return early_mmu_has_feature(MMU_FTR_TYPE_RADIX);
}
-#else
-static inline bool radix_enabled(void)
-{
- return false;
-}
-
-static inline bool early_radix_enabled(void)
-{
- return false;
-}
-#endif
#ifdef CONFIG_STRICT_KERNEL_RWX
static inline bool strict_kernel_rwx_enabled(void)
--
2.25.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] powerpc/mmu: Don't duplicate radix_enabled()
2021-05-07 5:45 ` Christophe Leroy
(?)
@ 2021-06-06 12:08 ` Michael Ellerman
-1 siblings, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2021-06-06 12:08 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Christophe Leroy, Michael Ellerman,
Paul Mackerras
Cc: linuxppc-dev, linux-kernel
On Fri, 7 May 2021 05:45:52 +0000 (UTC), Christophe Leroy wrote:
> mmu_has_feature(MMU_FTR_TYPE_RADIX) can be evaluated regardless of
> CONFIG_PPC_RADIX_MMU.
>
> When CONFIG_PPC_RADIX_MMU is not set, mmu_has_feature(MMU_FTR_TYPE_RADIX)
> will evaluate to 'false' at build time because MMU_FTR_TYPE_RADIX
> wont be included in MMU_FTRS_POSSIBLE.
Applied to powerpc/next.
[1/1] powerpc/mmu: Don't duplicate radix_enabled()
https://git.kernel.org/powerpc/c/fe3dc333d2ed50c9764d281869d87bae0d795ce5
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-06-06 12:12 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-07 5:45 [PATCH] powerpc/mmu: Don't duplicate radix_enabled() Christophe Leroy
2021-05-07 5:45 ` Christophe Leroy
2021-06-06 12:08 ` Michael Ellerman
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.