From: Pekka Enberg <penberg@cs.helsinki.fi>
To: mingo@elte.hu
Cc: x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] x86: rename do_not_nx to disable_nx in mm/init_64.c
Date: Thu, 05 Mar 2009 17:04:57 +0200 [thread overview]
Message-ID: <1236265497.31324.11.camel@penberg-laptop> (raw)
From: Pekka Enberg <penberg@cs.helsinki.fi>
As a preparational step for unifying noexec handling on 32-bit and 64-bit,
rename the do_not_nx variable to disable_nx on 64-bit.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
arch/x86/mm/init_64.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 7dd7ce4..bb50ce8 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -85,7 +85,7 @@ early_param("gbpages", parse_direct_gbpages_on);
pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
EXPORT_SYMBOL_GPL(__supported_pte_mask);
-static int do_not_nx __cpuinitdata;
+static int disable_nx __cpuinitdata;
/*
* noexec=on|off
@@ -100,9 +100,9 @@ static int __init nonx_setup(char *str)
return -EINVAL;
if (!strncmp(str, "on", 2)) {
__supported_pte_mask |= _PAGE_NX;
- do_not_nx = 0;
+ disable_nx = 0;
} else if (!strncmp(str, "off", 3)) {
- do_not_nx = 1;
+ disable_nx = 1;
__supported_pte_mask &= ~_PAGE_NX;
}
return 0;
@@ -114,7 +114,7 @@ void __cpuinit check_efer(void)
unsigned long efer;
rdmsrl(MSR_EFER, efer);
- if (!(efer & EFER_NX) || do_not_nx)
+ if (!(efer & EFER_NX) || disable_nx)
__supported_pte_mask &= ~_PAGE_NX;
}
--
1.5.4.3
next reply other threads:[~2009-03-05 15:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-05 15:04 Pekka Enberg [this message]
2009-03-06 14:27 ` [tip:x86/mm] " Pekka Enberg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1236265497.31324.11.camel@penberg-laptop \
--to=penberg@cs.helsinki.fi \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®