linux-kernel - [PATCH] x86: Use wbinvd() macro rather than inline assembly

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>] [day] [month] [year] [list]

Date:	Tue, 15 Jan 2008 13:13:51 -0800
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Andi Kleen <ak@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] x86: Use wbinvd() macro rather than inline assembly

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
Taken from Andi's CPA 16/31, against x86.git, not sure what
the etiquette is with adding his S-O-B....

 arch/x86/mm/pageattr_64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c
index bafc0a5..5e0b36e 100644
--- a/arch/x86/mm/pageattr_64.c
+++ b/arch/x86/mm/pageattr_64.c
@@ -86,7 +86,7 @@ static void flush_kernel_map(void *arg)
 	   much cheaper than WBINVD. */
 	/* clflush is still broken. Disable for now. */
 	if (1 || !cpu_has_clflush) {
-		asm volatile("wbinvd" ::: "memory");
+		wbinvd();
 	} else {
 		list_for_each_entry(pg, l, lru) {
 			void *addr = page_address(pg);
-- 
1.5.4.rc2.1164.g6451

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/