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* [PATCH v1] powerpc/process: Replace an #ifdef CONFIG_PPC_BOOK3S_64 by IS_ENABLED()
@ 2020-08-17  5:46 Christophe Leroy
  2020-09-17 11:27 ` Michael Ellerman
  0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2020-08-17  5:46 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: linux-kernel, linuxppc-dev

This #ifdef CONFIG_PPC_BOOK3S_64 calls preload_new_slb_context()
when radix is not enabled.

radix_enabled() is always defined, and the prototype for
preload_new_slb_context() is always present, so the #ifdef
is unneeded.

Replace it by IS_ENABLED().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/kernel/process.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 987bc8e73d5e..a17d0746d55f 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1725,10 +1725,8 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
 #ifdef CONFIG_PPC64
 	unsigned long load_addr = regs->gpr[2];	/* saved by ELF_PLAT_INIT */
 
-#ifdef CONFIG_PPC_BOOK3S_64
-	if (!radix_enabled())
+	if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && !radix_enabled())
 		preload_new_slb_context(start, sp);
-#endif
 #endif
 
 	/*
-- 
2.25.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v1] powerpc/process: Replace an #ifdef CONFIG_PPC_BOOK3S_64 by IS_ENABLED()
  2020-08-17  5:46 [PATCH v1] powerpc/process: Replace an #ifdef CONFIG_PPC_BOOK3S_64 by IS_ENABLED() Christophe Leroy
@ 2020-09-17 11:27 ` Michael Ellerman
  0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2020-09-17 11:27 UTC (permalink / raw)
  To: Michael Ellerman, Benjamin Herrenschmidt, Paul Mackerras,
	Christophe Leroy
  Cc: linuxppc-dev, linux-kernel

On Mon, 17 Aug 2020 05:46:42 +0000 (UTC), Christophe Leroy wrote:
> This #ifdef CONFIG_PPC_BOOK3S_64 calls preload_new_slb_context()
> when radix is not enabled.
> 
> radix_enabled() is always defined, and the prototype for
> preload_new_slb_context() is always present, so the #ifdef
> is unneeded.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/process: Replace an #ifdef CONFIG_PPC_BOOK3S_64 by IS_ENABLED()
      https://git.kernel.org/powerpc/c/bfac2799301c19d81122af04a8a3ad5ecae3737e

cheers

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-09-17 11:34 UTC | newest]

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2020-09-17 11:27 ` Michael Ellerman

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