From: geoff@infradead.org (Geoff Levand)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/8] arm64: Introduce raw_{d,i}cache_line_size
Date: Mon, 11 Jul 2016 14:55:54 -0700 [thread overview]
Message-ID: <1468274154.2977.1.camel@infradead.org> (raw)
In-Reply-To: <1467977839-27543-8-git-send-email-suzuki.poulose@arm.com>
On Fri, 2016-07-08 at 12:37 +0100, Suzuki K Poulose wrote:
> On systems with mismatched i/d cache min line sizes, we need to use
> the smallest size possible across all CPUs. This will be done by fetching
> the system wide safe value from CPU feature infrastructure.
> However the some special users(e.g kexec, hibernate) would need the line
> size on the CPU (rather than the system wide), when the system wide
> feature may not be accessible. Provide another helper which will fetch
> cache line size on the current CPU.
>
Looks OK for what kexec needs.
Acked-by: Geoff Levand <geoff@infradead.org>
next prev parent reply other threads:[~2016-07-11 21:55 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 11:37 [PATCH 0/8] arm64: Work around for mismatched cache line size Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 1/8] arm64: Set the safe value for L1 icache policy Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 2/8] arm64: Use consistent naming for errata handling Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 3/8] arm64: Rearrange CPU errata workaround checks Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 4/8] arm64/insn: Add helpers for pc relative address offsets Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 4/8] arm64/insn: Add helpers for pc relative data processing instructions Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 5/8] arm64: alternative: Add support for patching adrp instructions Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 6/8] arm64: Introduce raw_{d,i}cache_line_size Suzuki K Poulose
2016-07-11 21:55 ` Geoff Levand [this message]
2016-08-09 16:22 ` James Morse
2016-07-08 11:37 ` [PATCH 7/8] arm64: Refactor sysinstr exception handling Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 8/8] arm64: Work around systems with mismatched cache line sizes Suzuki K Poulose
2016-07-08 11:37 ` [PATCH 0/8] arm64: Work around for mismatched cache line size Suzuki K Poulose
-- strict thread matches above, loose matches on Subject: below --
2016-08-18 13:10 [RESEND] " Suzuki K Poulose
2016-08-18 13:10 ` [PATCH 6/8] arm64: Introduce raw_{d,i}cache_line_size Suzuki K Poulose
2016-08-18 17:57 ` Geoff Levand
2016-08-22 10:00 ` Will Deacon
2016-08-23 10:07 ` Suzuki K Poulose
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=1468274154.2977.1.camel@infradead.org \
--to=geoff@infradead.org \
--cc=linux-arm-kernel@lists.infradead.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).