linux-kernel - [tip:x86/cpu] x86/cpu: Drop unneded members of struct cpuinfo

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]

Date:   Sat, 11 Mar 2017 05:34:03 -0800
From:   tip-bot for Mathias Krause <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, davem@...emloft.net, geert@...ux-m68k.org,
        mingo@...nel.org, linux-kernel@...r.kernel.org,
        minipli@...glemail.com, akpm@...ux-foundation.org,
        jesper.nilsson@...s.com, starvik@...s.com, bp@...en8.de,
        hpa@...or.com
Subject: [tip:x86/cpu] x86/cpu: Drop unneded members of struct cpuinfo_x86

Commit-ID:  04402116846f36adea9503d7cd5104a7ed27a1a6
Gitweb:     http://git.kernel.org/tip/04402116846f36adea9503d7cd5104a7ed27a1a6
Author:     Mathias Krause <minipli@...glemail.com>
AuthorDate: Sun, 12 Feb 2017 22:12:07 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sat, 11 Mar 2017 14:30:23 +0100

x86/cpu: Drop unneded members of struct cpuinfo_x86

Those member serve no purpose -- not even fill padding for alignment or
such. So just get rid of them.

Signed-off-by: Mathias Krause <minipli@...glemail.com>
Acked-by: Borislav Petkov <bp@...en8.de>
Cc: Jesper Nilsson <jesper.nilsson@...s.com>
Cc: Mikael Starvik <starvik@...s.com>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: "David S. Miller" <davem@...emloft.net>
Link: http://lkml.kernel.org/r/1486933932-585-2-git-send-email-minipli@googlemail.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/x86/include/asm/processor.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index f385eca..893f80e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -80,7 +80,7 @@ extern u16 __read_mostly tlb_lld_1g[NR_INFO];
 
 /*
  *  CPU type and hardware bug flags. Kept separately for each CPU.
- *  Members of this structure are referenced in head.S, so think twice
+ *  Members of this structure are referenced in head_32.S, so think twice
  *  before touching them. [mj]
  */
 
@@ -91,11 +91,6 @@ struct cpuinfo_x86 {
 	__u8			x86_mask;
 #ifdef CONFIG_X86_32
 	char			wp_works_ok;	/* It doesn't on 386's */
-
-	/* Problems on some 486Dx4's and old 386's: */
-	char			rfu;
-	char			pad0;
-	char			pad1;
 #else
 	/* Number of 4K pages in DTLB/ITLB combined(in pages): */
 	int			x86_tlbsize;