From: Ralf Baechle <ralf@linux-mips.org>
To: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
David Daney <david.daney@cavium.com>
Subject: Re: [PATCH 0/2] Align MIPS swapper_pg_dir for faster code.
Date: Wed, 15 Aug 2012 12:57:20 +0200 [thread overview]
Message-ID: <20120815105720.GA6270@linux-mips.org> (raw)
In-Reply-To: <1344967681-13179-1-git-send-email-ddaney.cavm@gmail.com>
On Tue, Aug 14, 2012 at 11:07:59AM -0700, David Daney wrote:
> From: David Daney <david.daney@cavium.com>
>
> The MIPS swapper_pg_dir needs 64K alignment for faster TLB refills in
> kernel mappings. There are two parts to the patch set:
>
> 1) Modify generic vmlinux.lds.h to allow architectures to place
> additional sections at the start of .bss. This allows alignment
> constraints to be met with minimal holes added for padding.
> Putting this in common code should reduce the risk of future
> changes to the linker scripts not being propagated to MIPS (or any
> other architecture that needs something like this).
>
> 2) Align the MIPS swapper_pg_dir.
>
> Since the initial use of the code is for MIPS, perhaps both parts
> could be merged by Ralf's tree (after collecting any Acked-bys).
Looks good to me but will wait a bit longer for comments and (N)Acks
before merging.
Ralf
prev parent reply other threads:[~2012-08-15 10:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-14 18:07 [PATCH 0/2] Align MIPS swapper_pg_dir for faster code David Daney
2012-08-14 18:08 ` [PATCH 1/2] vmlinux.lds.h: Allow architectures to add sections to the front of .bss David Daney
2012-08-14 18:08 ` David Daney
2012-08-14 18:08 ` [PATCH 2/2] MIPS: Align swapper_pg_dir to 64K for better TLB Refill code David Daney
2012-08-14 18:08 ` David Daney
2012-08-14 18:39 ` [PATCH 0/2] Align MIPS swapper_pg_dir for faster code Arnd Bergmann
2012-08-15 10:57 ` Ralf Baechle [this message]
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