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Date: Tue, 11 Jun 2024 16:53:47 -0000
From: "tip-bot2 for Borislav Petkov (AMD)" <tip-bot2@linutronix.de>
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Subject:
 [tip: x86/alternatives] x86/alternative: Convert the asm ALTERNATIVE() macro
Cc: "Borislav Petkov (AMD)" <bp@alien8.de>,
 "Peter Zijlstra (Intel)" <peterz@infradead.org>, x86@kernel.org,
 linux-kernel@vger.kernel.org
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The following commit has been merged into the x86/alternatives branch of tip:

Commit-ID:     a6c7a6a18b10a4ac0913e7abdbdce928a2601bdb
Gitweb:        https://git.kernel.org/tip/a6c7a6a18b10a4ac0913e7abdbdce928a2601bdb
Author:        Borislav Petkov (AMD) <bp@alien8.de>
AuthorDate:    Fri, 07 Jun 2024 13:16:58 +02:00
Committer:     Borislav Petkov (AMD) <bp@alien8.de>
CommitterDate: Tue, 11 Jun 2024 18:25:00 +02:00

x86/alternative: Convert the asm ALTERNATIVE() macro

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240607111701.8366-12-bp@kernel.org
---
 arch/x86/include/asm/alternative.h | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index fba12ad..31b9a47 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -422,24 +422,6 @@ void nop_func(void);
  * @newinstr. ".skip" directive takes care of proper instruction padding
  * in case @newinstr is longer than @oldinstr.
  */
-.macro ALTERNATIVE oldinstr, newinstr, ft_flags
-140:
-	\oldinstr
-141:
-	.skip -(((144f-143f)-(141b-140b)) > 0) * ((144f-143f)-(141b-140b)),0x90
-142:
-
-	.pushsection .altinstructions,"a"
-	altinstr_entry 140b,143f,\ft_flags,142b-140b,144f-143f
-	.popsection
-
-	.pushsection .altinstr_replacement,"ax"
-143:
-	\newinstr
-144:
-	.popsection
-.endm
-
 #define __N_ALTERNATIVE(oldinst, newinst, flag)				\
 740:									\
 	oldinst	;							\
@@ -455,12 +437,10 @@ void nop_func(void);
 744:									\
 	.popsection ;
 
-
-.macro N_ALTERNATIVE oldinstr, newinstr, ft_flags
+.macro ALTERNATIVE oldinstr, newinstr, ft_flags
 	__N_ALTERNATIVE(\oldinstr, \newinstr, \ft_flags)
 .endm
 
-
 #define old_len			141b-140b
 #define new_len1		144f-143f
 #define new_len2		145f-144f