From: Zwane Mwaikambo <zwane@arm.linux.org.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
Andrew Morton <akpm@osdl.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, Hugh Dickins <hugh@veritas.com>
Subject: Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops
Date: Sat, 15 Nov 2003 14:52:11 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.53.0311151447350.30079@montezuma.fsmlabs.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0311151427080.30079@montezuma.fsmlabs.com>
On Sat, 15 Nov 2003, Zwane Mwaikambo wrote:
> The 4G/4G page fault handling path doesn't appear to handle faults
> happening whilst in vm86. The regs->xcs != __USER_CS so it confused the in
> kernel test.
Perhaps this would be more desirable?
Index: linux-2.6.0-test9-mm3/arch/i386/mm/fault.c
===================================================================
RCS file: /build/cvsroot/linux-2.6.0-test9-mm3/arch/i386/mm/fault.c,v
retrieving revision 1.1.1.1
diff -u -p -B -r1.1.1.1 fault.c
--- linux-2.6.0-test9-mm3/arch/i386/mm/fault.c 13 Nov 2003 08:07:17 -0000 1.1.1.1
+++ linux-2.6.0-test9-mm3/arch/i386/mm/fault.c 15 Nov 2003 19:40:17 -0000
@@ -264,7 +264,9 @@ asmlinkage void do_page_fault(struct pt_
if (error_code & 3)
goto bad_area_nosemaphore;
- goto vmalloc_fault;
+ /* If it's vm86 fall through */
+ if (!(regs->eflags & VM_MASK))
+ goto vmalloc_fault;
}
#else
if (unlikely(address >= TASK_SIZE)) {
next prev parent reply other threads:[~2003-11-15 19:56 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-13 7:30 2.6.0-test9-mm3 Andrew Morton
2003-11-13 20:03 ` [PATCH] linux-2.6.0-test9-mm3_verbose-timesource-acpi-pm_A0 john stultz
2003-11-13 22:03 ` 2.6.0-test9-mm3 - AIO test results Daniel McNeil
2003-11-17 5:25 ` Suparna Bhattacharya
2003-11-18 1:15 ` Daniel McNeil
2003-11-18 1:37 ` Daniel McNeil
2003-11-18 11:55 ` Suparna Bhattacharya
2003-11-18 23:47 ` Daniel McNeil
2003-11-24 9:42 ` Suparna Bhattacharya
2003-11-25 23:49 ` [PATCH 2.6.0-test9-mm5] aio-dio-fallback-bio_count-race.patch Daniel McNeil
2003-11-26 7:55 ` Suparna Bhattacharya
2003-12-02 1:35 ` Daniel McNeil
2003-12-02 15:25 ` Suparna Bhattacharya
2003-12-03 23:14 ` Daniel McNeil
2003-12-04 4:40 ` Suparna Bhattacharya
2003-11-13 22:04 ` 2.6.0-test9-mm3 (compile stats) John Cherry
2003-11-14 5:07 ` 2.6.0-test9-mm3 Martin J. Bligh
2003-11-14 20:57 ` 2.6.0-test9-mm3 Zwane Mwaikambo
2003-11-14 21:57 ` 2.6.0-test9-mm3 Martin J. Bligh
2003-11-14 21:37 ` 2.6.0-test9-mm3 Zwane Mwaikambo
2003-11-14 21:47 ` 2.6.0-test9-mm3 Linus Torvalds
2003-11-15 0:55 ` 2.6.0-test9-mm3 Zwane Mwaikambo
2003-11-15 19:34 ` [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops Zwane Mwaikambo
2003-11-15 19:52 ` Zwane Mwaikambo [this message]
2003-11-17 21:46 ` Zwane Mwaikambo
2003-11-17 22:42 ` Linus Torvalds
2003-11-17 23:01 ` Zwane Mwaikambo
2003-11-17 23:14 ` Zwane Mwaikambo
2003-11-18 7:21 ` Zwane Mwaikambo
2003-11-18 15:47 ` Linus Torvalds
2003-11-18 16:16 ` Zwane Mwaikambo
2003-11-18 16:37 ` Linus Torvalds
2003-11-18 17:08 ` Zwane Mwaikambo
2003-11-18 17:38 ` Martin J. Bligh
2003-11-18 17:22 ` Zwane Mwaikambo
2003-11-19 20:32 ` Matt Mackall
2003-11-19 23:09 ` Matt Mackall
2003-11-20 7:14 ` Zwane Mwaikambo
2003-11-20 7:44 ` Matt Mackall
2003-11-20 7:53 ` Andrew Morton
2003-11-20 8:13 ` Matt Mackall
2003-11-14 19:08 ` 2.6.0-test9-mm3 Martin J. Bligh
2003-11-14 18:59 ` 2.6.0-test9-mm3 Andrew Morton
2003-11-14 19:32 ` 2.6.0-test9-mm3 Mike Fedyk
2003-11-14 20:27 ` 2.6.0-test9-mm3 John Stoffel
2003-11-15 1:01 ` 2.6.0-test9-mm3 Mike Fedyk
2003-11-14 19:10 ` 2.6.0-test9-mm3 Badari Pulavarty
2003-11-14 20:29 ` 2.6.0-test9-mm3 Martin J. Bligh
2003-11-17 20:58 ` 2.6.0-test9-mm3 bill davidsen
2003-11-18 23:48 Re:Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops Jon Foster
2003-11-19 3:24 ` Zwane Mwaikambo
2003-11-19 5:45 ` Andrew Morton
2003-11-19 6:50 ` Zwane Mwaikambo
2003-11-19 7:24 ` Linus Torvalds
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=Pine.LNX.4.53.0311151447350.30079@montezuma.fsmlabs.com \
--to=zwane@arm.linux.org.uk \
--cc=akpm@osdl.org \
--cc=hugh@veritas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mbligh@aracnet.com \
--cc=mingo@elte.hu \
/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;
as well as URLs for NNTP newsgroup(s).