From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6161] CRIS: Dont flush kernel protected pages when modifying $pid.
Date: Sun, 04 Jan 2009 15:45:18 +0000 [thread overview]
Message-ID: <E1LJVAE-0007L0-ST@cvs.savannah.gnu.org> (raw)
Revision: 6161
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6161
Author: edgar_igl
Date: 2009-01-04 15:45:17 +0000 (Sun, 04 Jan 2009)
Log Message:
-----------
CRIS: Dont flush kernel protected pages when modifying $pid.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Modified Paths:
--------------
trunk/target-cris/mmu.c
Modified: trunk/target-cris/mmu.c
===================================================================
--- trunk/target-cris/mmu.c 2009-01-04 15:42:04 UTC (rev 6160)
+++ trunk/target-cris/mmu.c 2009-01-04 15:45:17 UTC (rev 6161)
@@ -295,7 +295,7 @@
unsigned int idx;
uint32_t lo, hi;
uint32_t tlb_vpn;
- int tlb_pid, tlb_g, tlb_v, tlb_k;
+ int tlb_pid, tlb_g, tlb_v;
unsigned int set;
unsigned int mmu;
@@ -311,11 +311,8 @@
tlb_pid = EXTRACT_FIELD(hi, 0, 7);
tlb_g = EXTRACT_FIELD(lo, 4, 4);
tlb_v = EXTRACT_FIELD(lo, 3, 3);
- tlb_k = EXTRACT_FIELD(lo, 2, 2);
- /* Kernel protected areas need to be flushed
- as well. */
- if (tlb_v && !tlb_g && (tlb_pid == pid || tlb_k)) {
+ if (tlb_v && !tlb_g && (tlb_pid == pid)) {
vaddr = tlb_vpn << TARGET_PAGE_BITS;
D(fprintf(logfile,
"flush pid=%x vaddr=%x\n",
reply other threads:[~2009-01-04 15:45 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=E1LJVAE-0007L0-ST@cvs.savannah.gnu.org \
--to=edgar.iglesias@gmail.com \
--cc=qemu-devel@nongnu.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;
as well as URLs for NNTP newsgroup(s).