linux-kernel - [tip: x86/alternatives] x86/alternative: Convert alternative()

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Message-ID: <171812482969.10875.12421223327319749027.tip-bot2@tip-bot2>
Date: Tue, 11 Jun 2024 16:53:49 -0000
From: "tip-bot2 for Borislav Petkov (AMD)" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Borislav Petkov (AMD)" <bp@...en8.de>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/alternatives] x86/alternative: Convert alternative()

The following commit has been merged into the x86/alternatives branch of tip:

Commit-ID:     b94c1fe10be544070f53e4a1e5164087e446945c
Gitweb:        https://git.kernel.org/tip/b94c1fe10be544070f53e4a1e5164087e446945c
Author:        Borislav Petkov (AMD) <bp@...en8.de>
AuthorDate:    Fri, 07 Jun 2024 13:16:50 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Tue, 11 Jun 2024 17:14:26 +02:00

x86/alternative: Convert alternative()

Split conversion deliberately into minimal pieces to ease bisection
because debugging alternatives is a nightmare.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lore.kernel.org/r/20240607111701.8366-4-bp@kernel.org
---
 arch/x86/include/asm/alternative.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 7d9ebc5..c05bff2 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -316,14 +316,11 @@ static inline int alternatives_text_reserved(void *start, void *end)
  * without volatile and memory clobber.
  */
 #define alternative(oldinstr, newinstr, ft_flags)			\
-	asm_inline volatile (ALTERNATIVE(oldinstr, newinstr, ft_flags) : : : "memory")
+	asm_inline volatile(N_ALTERNATIVE(oldinstr, newinstr, ft_flags) : : : "memory")
 
 #define alternative_2(oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2) \
 	asm_inline volatile(ALTERNATIVE_2(oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2) ::: "memory")
 
-#define n_alternative(oldinstr, newinstr, ft_flags)			\
-	asm_inline volatile (N_ALTERNATIVE(oldinstr, newinstr, ft_flags) : : : "memory")
-
 #define n_alternative_2(oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2) \
 	asm_inline volatile(N_ALTERNATIVE_2(oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2) ::: "memory")