linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Marc Zyngier <maz@kernel.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, broonie@kernel.org,
	catalin.marinas@arm.com, suzuki.poulose@arm.com, will@kernel.org
Subject: Re: [PATCH 3/4] arm64: cpufeature: use cpucap naming
Date: Thu, 01 Jun 2023 13:54:01 +0100	[thread overview]
Message-ID: <87a5xjpcly.wl-maz@kernel.org> (raw)
In-Reply-To: <20230601100812.2303944-4-mark.rutland@arm.com>

On Thu, 01 Jun 2023 11:08:11 +0100,
Mark Rutland <mark.rutland@arm.com> wrote:
> 
> To more clearly align the various users of the cpucap enumeration, this patch
> changes the cpufeature code to use the term `cpucap` in favour of `cpu_hwap`.
> This more clearly aligns with other users of the cpucaps, and avoids confusion
> with the ELF hwcaps.
> 
> There should be no functional change as a result of this patch; this is
> purely a renaming exercise.
> 
> Signed-off-by: Mark Rutland <mark.rutland@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Suzuki Poulose <suzuki.poulose@arm.com>
> Cc: Will Deacon <will@kernel.org>
> ---
>  arch/arm64/include/asm/mmu_context.h |  2 +-
>  arch/arm64/kernel/cpufeature.c       | 38 ++++++++++++++--------------
>  2 files changed, 20 insertions(+), 20 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
> index 56911691bef05..7f332854c961e 100644
> --- a/arch/arm64/include/asm/mmu_context.h
> +++ b/arch/arm64/include/asm/mmu_context.h
> @@ -164,7 +164,7 @@ static inline void cpu_replace_ttbr1(pgd_t *pgdp, pgd_t *idmap)
>  		 * up (i.e. cpufeature framework is not up yet) and
>  		 * latter only when we enable CNP via cpufeature's
>  		 * enable() callback.
> -		 * Also we rely on the cpu_hwcap bit being set before
> +		 * Also we rely on the system_cpucap bit being set before
>  		 * calling the enable() function.
>  		 */
>  		ttbr1 |= TTBR_CNP_BIT;

nit: Shout this be moved to the first patch instead? It only differs
by being singular instead of plural.

On the other hand, I have a series that eradicates this code
altogether, so I can't say I care deeply! ;-)

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-06-01 12:54 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01 10:08 [PATCH 0/4] arm64: cpucap cleanup Mark Rutland
2023-06-01 10:08 ` [PATCH 1/4] arm64: standardise cpucap bitmap names Mark Rutland
2023-06-01 10:08 ` [PATCH 2/4] arm64: alternatives: use cpucap naming Mark Rutland
2023-06-01 10:08 ` [PATCH 3/4] arm64: cpufeature: " Mark Rutland
2023-06-01 11:07   ` Mark Brown
2023-06-01 12:54   ` Marc Zyngier [this message]
2023-06-01 14:31     ` Mark Rutland
2023-06-01 10:08 ` [PATCH 4/4] arm64: cpufeature: fold cpus_set_cap() into update_cpu_capabilities() Mark Rutland
2023-06-01 11:14   ` Mark Brown
2023-06-01 14:07 ` [PATCH 0/4] arm64: cpucap cleanup Suzuki K Poulose
2023-06-01 14:33   ` Mark Rutland

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=87a5xjpcly.wl-maz@kernel.org \
    --to=maz@kernel.org \
    --cc=broonie@kernel.org \
    --cc=catalin.marinas@arm.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=suzuki.poulose@arm.com \
    --cc=will@kernel.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).