From: Jan Kiszka <jan.kiszka@web.de>
To: Jun Koi <junkoi2004@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH] A bit optimization for tlb_set_page()
Date: Tue, 27 Apr 2010 20:36:06 +0200 [thread overview]
Message-ID: <4BD72E96.8050406@web.de> (raw)
In-Reply-To: <z2jfdaac4d51004262025o432d94f2xe474e09efd1fd634@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 817 bytes --]
Jun Koi wrote:
> It is not necessary to continue searching for watchpoint when we
> already found one and setup for handling watchpoint in a search loop
> in tlb_set_page().
> This patch breaks that search loop on then.
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
>
> Signed-off-by: Jun Koi <junkoi2004@gmail.com>
>
> diff --git a/exec.c b/exec.c
> index 14d1fd7..6329775 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -2240,6 +2240,7 @@ void tlb_set_page(CPUState *env, target_ulong vaddr,
> /* TODO: The memory case can be optimized by not trapping
> reads of pages with a write breakpoint. */
PS: Don't you also want to address this todo while you are at it? :)
> address |= TLB_MMIO;
> + break;
> }
> }
>
>
>
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 257 bytes --]
next prev parent reply other threads:[~2010-04-27 18:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-27 3:25 [Qemu-devel] [PATCH] A bit optimization for tlb_set_page() Jun Koi
2010-04-27 18:36 ` Jan Kiszka [this message]
2010-04-27 23:48 ` [Qemu-devel] " Jun Koi
2010-04-28 2:52 ` Jun Koi
2010-04-28 6:53 ` Jan Kiszka
2010-04-28 7:13 ` Jun Koi
2010-04-30 6:44 ` Jan Kiszka
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=4BD72E96.8050406@web.de \
--to=jan.kiszka@web.de \
--cc=junkoi2004@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).