linux-kernel - [PATCH 2/4] x86/ldt: use vfree() instead of vfree

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:   Thu, 30 Mar 2017 13:27:17 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     <akpm@...ux-foundation.org>
CC:     <penguin-kernel@...ove.SAKURA.ne.jp>,
        <linux-kernel@...r.kernel.org>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>, <mhocko@...nel.org>,
        <linux-mm@...ck.org>, <hpa@...or.com>, <chris@...is-wilson.co.uk>,
        <hch@....de>, <mingo@...e.hu>, <jszhang@...vell.com>,
        <joelaf@...gle.com>, <joaodias@...gle.com>, <willy@...radead.org>,
        <tglx@...utronix.de>
Subject: [PATCH 2/4] x86/ldt: use vfree() instead of vfree_atomic()

vfree() can be used in any atomic context now, thus there is no point
in vfree_atomic().
This reverts commit 8d5341a6260a ("x86/ldt: use vfree_atomic()
to free ldt entries")

Signed-off-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
---
 arch/x86/kernel/ldt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index d4a1583..f09df2f 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -93,7 +93,7 @@ static void free_ldt_struct(struct ldt_struct *ldt)
 
 	paravirt_free_ldt(ldt->entries, ldt->size);
 	if (ldt->size * LDT_ENTRY_SIZE > PAGE_SIZE)
-		vfree_atomic(ldt->entries);
+		vfree(ldt->entries);
 	else
 		free_page((unsigned long)ldt->entries);
 	kfree(ldt);
-- 
2.10.2