linux-kernel - [tip: x86/alternatives] x86/alternative: Convert the asm ALTERNATIVE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <171812482705.10875.5055811724400884708.tip-bot2@tip-bot2>
Date: Tue, 11 Jun 2024 16:53:47 -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 the asm
 ALTERNATIVE_3() macro

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

Commit-ID:     1a6ade825079243f08846870561aca0e1fdfb803
Gitweb:        https://git.kernel.org/tip/1a6ade825079243f08846870561aca0e1fdfb803
Author:        Borislav Petkov (AMD) <bp@...en8.de>
AuthorDate:    Fri, 07 Jun 2024 13:17:00 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Tue, 11 Jun 2024 18:29:26 +02:00

x86/alternative: Convert the asm ALTERNATIVE_3() macro

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lore.kernel.org/r/20240607111701.8366-14-bp@kernel.org
---
 arch/x86/include/asm/alternative.h | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 28e07a0..5278cfb 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -466,31 +466,6 @@ void nop_func(void);
 .endm
 
 .macro ALTERNATIVE_3 oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2, newinstr3, ft_flags3
-140:
-	\oldinstr
-141:
-	.skip -((alt_max_3(new_len1, new_len2, new_len3) - (old_len)) > 0) * \
-		(alt_max_3(new_len1, new_len2, new_len3) - (old_len)),0x90
-142:
-
-	.pushsection .altinstructions,"a"
-	altinstr_entry 140b,143f,\ft_flags1,142b-140b,144f-143f
-	altinstr_entry 140b,144f,\ft_flags2,142b-140b,145f-144f
-	altinstr_entry 140b,145f,\ft_flags3,142b-140b,146f-145f
-	.popsection
-
-	.pushsection .altinstr_replacement,"ax"
-143:
-	\newinstr1
-144:
-	\newinstr2
-145:
-	\newinstr3
-146:
-	.popsection
-.endm
-
-.macro N_ALTERNATIVE_3 oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2, newinstr3, ft_flags3
 	__N_ALTERNATIVE(N_ALTERNATIVE_2(\oldinstr, \newinstr1, \ft_flags1, \newinstr2, \ft_flags2),
 		      \newinstr3, \ft_flags3)
 .endm