From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: drop unused __local_flush_icache_all()
Date: Tue, 15 Mar 2016 11:32:21 +0000 [thread overview]
Message-ID: <20160315113220.GB19263@leverpostej> (raw)
In-Reply-To: <1458035230-1038-1-git-send-email-wangkefeng.wang@huawei.com>
On Tue, Mar 15, 2016 at 05:47:10PM +0800, Kefeng Wang wrote:
> After commit 65da0a8e34a8 ("arm64: use non-global mappings for UEFI
> runtime regions"), nobody use __local_flush_icache_all() anymore,
> so drop it.
>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
The only other user was the old ASID allocator. For the boot and idle
paths we do the local maintenance in asm. I don't imagine we're likely
to need this again soon.
So FWIW:
Acked-by: Mark Rutland <mark.rutland@arm.com>
Mark.
> ---
> arch/arm64/include/asm/cacheflush.h | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h
> index 22dda61..c64268d 100644
> --- a/arch/arm64/include/asm/cacheflush.h
> +++ b/arch/arm64/include/asm/cacheflush.h
> @@ -116,13 +116,6 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *,
> #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
> extern void flush_dcache_page(struct page *);
>
> -static inline void __local_flush_icache_all(void)
> -{
> - asm("ic iallu");
> - dsb(nsh);
> - isb();
> -}
> -
> static inline void __flush_icache_all(void)
> {
> asm("ic ialluis");
> --
> 2.6.0.GIT
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
next prev parent reply other threads:[~2016-03-15 11:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 9:47 [PATCH] arm64: drop unused __local_flush_icache_all() Kefeng Wang
2016-03-15 11:32 ` Mark Rutland [this message]
2016-03-21 12:10 ` Catalin Marinas
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=20160315113220.GB19263@leverpostej \
--to=mark.rutland@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