From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: prefetch: add missing #include for spin_lock_prefetch
Date: Wed, 10 Feb 2016 10:41:16 +0000 [thread overview]
Message-ID: <20160210104116.GD13577@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <1455098850-3551-1-git-send-email-will.deacon@arm.com>
On Wed, Feb 10, 2016 at 10:07:30AM +0000, Will Deacon wrote:
> As of 52e662326e1e ("arm64: prefetch: don't provide spin_lock_prefetch
> with LSE"), spin_lock_prefetch is patched at runtime when the LSE atomics
> are in use. This relies on the ARM64_LSE_ATOMIC_INSN macro to drive
> the alternatives framework, but that macro is only available via
> asm/lse.h, which isn't explicitly included in processor.h. Consequently,
> drivers can run into build failures such as:
>
> In file included from include/linux/prefetch.h:14:0,
> from drivers/net/ethernet/intel/i40e/i40e_txrx.c:27:
> arch/arm64/include/asm/processor.h: In function 'spin_lock_prefetch':
> arch/arm64/include/asm/processor.h:183:15: error: expected string literal before 'ARM64_LSE_ATOMIC_INSN'
> asm volatile(ARM64_LSE_ATOMIC_INSN(
>
> This patch add the missing include and gets things building again.
>
> Reported-by: kbuild test robot <fengguang.wu@intel.com>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Applied. Thanks.
--
Catalin
prev parent reply other threads:[~2016-02-10 10:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-10 10:07 [PATCH] arm64: prefetch: add missing #include for spin_lock_prefetch Will Deacon
2016-02-10 10:41 ` Catalin Marinas [this message]
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=20160210104116.GD13577@e104818-lin.cambridge.arm.com \
--to=catalin.marinas@arm.com \
--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).