From: catalin.marinas@arm•com (Catalin Marinas)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 6/9] arm64: Add new routine local_disable
Date: Tue, 26 Aug 2014 17:04:43 +0100 [thread overview]
Message-ID: <20140826160443.GI16482@arm.com> (raw)
In-Reply-To: <7e5a554e19c9c7bfbdf3d85b75a8e87c9ffde706.1408736066.git.geoff@infradead.org>
On Fri, Aug 22, 2014 at 08:49:16PM +0100, Geoff Levand wrote:
> Add the new arm64 routine local_disable() to allow the masking of several DAIF
> flags in one operation. Currently, we only have routines to mask individual
> flags, and to mask several flags multiple calls to daifset are required.
>
> Signed-off-by: Geoff Levand <geoff@infradead•org>
> ---
> arch/arm64/include/asm/irqflags.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm64/include/asm/irqflags.h b/arch/arm64/include/asm/irqflags.h
> index 11cc941..28521d4 100644
> --- a/arch/arm64/include/asm/irqflags.h
> +++ b/arch/arm64/include/asm/irqflags.h
> @@ -113,5 +113,18 @@ static inline int arch_irqs_disabled_flags(unsigned long flags)
> #define local_dbg_enable() asm("msr daifclr, #8" : : : "memory")
> #define local_dbg_disable() asm("msr daifset, #8" : : : "memory")
>
> +enum daif_flag {
> + DAIF_FIQ = (1UL << 6),
> + DAIF_IRQ = (1UL << 7),
> + DAIF_ASYNC = (1UL << 8),
> + DAIF_DBG = (1UL << 9),
> + DAIF_ALL = (0xffUL << 6),
> +};
> +
> +static inline void local_disable(unsigned long daif_flags)
> +{
> + arch_local_irq_restore(daif_flags | arch_local_save_flags());
> +}
Who's using this function? I don't see any patch in this series calling
it.
--
Catalin
next prev parent reply other threads:[~2014-08-26 16:04 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-22 19:49 [PATCH 0/9] arm64: minor fixups and enhancements Geoff Levand
2014-08-22 19:49 ` [PATCH 1/9] arm64: Fix efi kernel entry Geoff Levand
2014-08-26 15:55 ` Catalin Marinas
2014-08-26 16:19 ` Ard Biesheuvel
2014-08-26 18:42 ` Geoff Levand
2014-08-22 19:49 ` [PATCH 6/9] arm64: Add new routine local_disable Geoff Levand
2014-08-26 16:04 ` Catalin Marinas [this message]
2014-08-26 16:23 ` Mark Rutland
2014-08-22 19:49 ` [PATCH 4/9] arm64: Remove unused variable in head.S Geoff Levand
2014-08-27 8:40 ` Will Deacon
2014-08-22 19:49 ` [PATCH 2/9] arm64: Fix INVALID_HWID definition Geoff Levand
2014-08-26 15:57 ` Catalin Marinas
2014-08-26 18:18 ` Geoff Levand
2014-08-27 8:21 ` Catalin Marinas
2014-08-26 16:31 ` Mark Rutland
2014-08-26 17:38 ` Geoff Levand
2014-08-22 19:49 ` [PATCH 5/9] arm64: Fix include header order in vmlinux.lds.S Geoff Levand
2014-08-26 16:27 ` Mark Rutland
2014-08-26 19:27 ` Geoff Levand
2014-08-27 8:24 ` Catalin Marinas
2014-08-29 21:53 ` Geoff Levand
2014-08-22 19:49 ` [PATCH 3/9] arm64: Remove unneeded extern keyword Geoff Levand
2014-08-26 16:11 ` Mark Rutland
2014-08-22 19:49 ` [PATCH 7/9] arm64: Add atomic macros to assembler.h Geoff Levand
2014-08-26 16:05 ` Catalin Marinas
2014-08-26 19:40 ` Geoff Levand
2014-08-27 8:25 ` Catalin Marinas
2014-08-22 19:49 ` [PATCH 9/9] arm64: Add new cpu-return-addr device tree binding Geoff Levand
2014-08-27 8:30 ` Catalin Marinas
2014-08-29 21:45 ` Geoff Levand
2014-08-22 19:49 ` [PATCH 8/9] arm64: Add missing AT() macros to vmlinux.lds.S Geoff Levand
2014-08-26 16:08 ` Catalin Marinas
2014-08-26 19:33 ` Geoff Levand
2014-08-27 6:53 ` AKASHI Takahiro
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=20140826160443.GI16482@arm.com \
--to=catalin.marinas@arm$(echo .)com \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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