From: David Miller <davem@davemloft.net>
To: ralf@linux-mips.org
Cc: nickpiggin@yahoo.com.au, torvalds@osdl.org, akpm@osdl.org,
linux-kernel@vger.kernel.org, anemo@mba.ocn.ne.jp
Subject: Re: [PATCH 1/3] Fix COW D-cache aliasing on fork
Date: Thu, 19 Oct 2006 15:59:39 -0700 (PDT) [thread overview]
Message-ID: <20061019.155939.48528489.davem@davemloft.net> (raw)
In-Reply-To: <20061019181346.GA5421@linux-mips.org>
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 19 Oct 2006 19:13:46 +0100
> That would require changing the order of cache flush and tlb flush.
> To keep certain architectures that require a valid translation in
> the TLB the cacheflush has to be done first. Not sure if those
> architectures need a writeable mapping for dirty cachelines - I
> think hypersparc was one of them.
There just has to be "a mapping" in the TLB so that the L2 cache can
translate the virtual address to a physical one for the writeback to
main memory.
next prev parent reply other threads:[~2006-10-19 22:59 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-19 16:35 Ralf Baechle
2006-10-19 16:35 ` [PATCH 2/3] Pass vma argument to copy_user_highpage() Ralf Baechle
2006-10-19 16:35 ` [PATCH 3/3] MIPS: Fix COW D-cache aliasing on fork Ralf Baechle
2006-10-22 2:32 ` Ralf Baechle
2006-10-19 17:46 ` [PATCH 1/3] " Nick Piggin
2006-10-19 18:13 ` Ralf Baechle
2006-10-19 18:48 ` Nick Piggin
2006-10-19 22:59 ` David Miller [this message]
2006-10-20 14:39 ` Nick Piggin
2006-10-20 15:49 ` Linus Torvalds
2006-10-20 15:57 ` Nick Piggin
2006-10-20 16:36 ` Linus Torvalds
2006-10-20 16:47 ` Nick Piggin
2006-10-20 17:16 ` Linus Torvalds
2006-10-20 17:37 ` Nick Piggin
2006-10-21 0:46 ` Ralf Baechle
2006-10-20 19:36 ` David Miller
2006-10-20 19:54 ` Linus Torvalds
2006-10-20 19:58 ` David Miller
2006-10-20 20:10 ` Linus Torvalds
2006-10-20 20:59 ` Russell King
2006-10-20 21:06 ` David Miller
2006-10-20 21:17 ` Russell King
2006-10-20 21:30 ` David Miller
2006-10-20 21:12 ` Linus Torvalds
2006-10-20 21:28 ` Russell King
2006-10-20 21:41 ` Ralf Baechle
2006-10-21 16:28 ` Atsushi Nemoto
2006-10-20 21:49 ` Ralf Baechle
2006-10-20 22:02 ` Linus Torvalds
2006-10-20 22:22 ` David Miller
2006-10-20 22:51 ` Ralf Baechle
2006-10-20 23:28 ` Linus Torvalds
2006-10-21 0:06 ` Ralf Baechle
2006-10-21 0:38 ` Linus Torvalds
2006-10-21 1:29 ` Paul Mackerras
2006-10-21 2:11 ` David Miller
2006-10-21 2:37 ` Linus Torvalds
2006-10-21 2:46 ` David Miller
2006-10-21 18:27 ` Ralf Baechle
2006-10-22 1:34 ` Ralf Baechle
2006-12-02 9:49 ` Russell King
2006-10-23 8:50 ` Martin Schwidefsky
2006-10-20 16:05 ` Ralf Baechle
2006-10-20 16:30 ` Nick Piggin
2006-10-20 19:23 ` David Miller
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