mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: NIIBE Yutaka <gniibe@m17n.org>
To: "David S. Miller" <davem@redhat.com>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
	Marcelo Tosatti <marcelo@conectiva.com.br>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] swapin flush cache bug
Date: Thu, 28 Jun 2001 10:04:33 +0900 (JST)	[thread overview]
Message-ID: <200106280104.f5S14XA05644@mule.m17n.org> (raw)
In-Reply-To: <15162.32433.598824.599520@pizda.ninka.net>
In-Reply-To: <200106270051.f5R0pkl19282@mule.m17n.org> <Pine.LNX.4.21.0106270710050.1291-100000@freak.distro.conectiva> <200106280007.f5S07qQ04446@mule.m17n.org> <20010628012349.L1554@redhat.com> <200106280041.f5S0fDr05278@mule.m17n.org> <15162.32433.598824.599520@pizda.ninka.net>

David S. Miller wrote:
 > The I/O completion must flush the cache, not the VM subsystem.
 > 
 > You must implement cache flushing at the DMA tranfer end point
 > to fix the problem you are describing.

Thanks a lot.  I understand now.  

Aha, that's the reason why we have __flush_dcache_range() in ide_insw
for Sparc64 implementation, isn't it?  I'll follow it for SuperH.

I'll close the entry for MM bugzilla, it's not MM bug.
-- 

  reply	other threads:[~2001-06-28  1:05 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-12 23:21 Marcelo Tosatti
2001-02-13  9:50 ` Russell King
2001-02-13 10:53 ` NIIBE Yutaka
2001-02-13 11:16   ` Russell King
2001-02-13 11:26   ` Alan Cox
2001-02-13 23:50   ` NIIBE Yutaka
2001-02-14  2:08   ` NIIBE Yutaka
2001-02-14 10:12     ` Marcelo Tosatti
2001-06-27  0:51     ` NIIBE Yutaka
2001-06-27 10:11       ` Marcelo Tosatti
2001-06-28  0:42         ` David S. Miller
2001-06-28  0:07       ` NIIBE Yutaka
2001-06-27 22:41         ` Marcelo Tosatti
2001-06-28  0:23         ` Stephen C. Tweedie
2001-06-28  0:47           ` David S. Miller
2001-06-28  1:10             ` David S. Miller
2001-06-29 14:18             ` NIIBE Yutaka
2001-07-02 22:47               ` Cache issues David S. Miller
2001-06-28  0:41         ` [PATCH] swapin flush cache bug NIIBE Yutaka
2001-06-28  1:04           ` NIIBE Yutaka [this message]
2001-07-02 11:23             ` Cache issues NIIBE Yutaka
2001-07-03  0:04               ` NIIBE Yutaka
2001-06-28  0:46         ` [PATCH] swapin flush cache bug David S. Miller

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=200106280104.f5S14XA05644@mule.m17n.org \
    --to=gniibe@m17n.org \
    --cc=davem@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=marcelo@conectiva.com.br \
    --cc=sct@redhat.com \
    /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®