linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Marc Zyngier <maz@kernel.org>
To: Joey Gouly <joey.gouly@arm.com>
Cc: kvmarm@lists.linux.dev, oliver.upton@linux.dev,
	linux-arm-kernel@lists.infradead.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v1 2/2] KVM: arm64: removed unused kern_hyp_va asm macro
Date: Thu, 08 Feb 2024 12:42:25 +0000	[thread overview]
Message-ID: <86jznf5dqm.wl-maz@kernel.org> (raw)
In-Reply-To: <20240208105422.3444159-3-joey.gouly@arm.com>

On Thu, 08 Feb 2024 10:54:22 +0000,
Joey Gouly <joey.gouly@arm.com> wrote:
> 
> The last usage of this macro was removed in:
>     commit 5dc33bd199ca ("KVM: arm64: nVHE: Pass pointers consistently to hyp-init")
> 
> Signed-off-by: Joey Gouly <joey.gouly@arm.com>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Oliver Upton <oliver.upton@linux.dev>
> ---
>  arch/arm64/include/asm/kvm_mmu.h | 21 ---------------------
>  1 file changed, 21 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
> index d248a7ae627a..961d4431654b 100644
> --- a/arch/arm64/include/asm/kvm_mmu.h
> +++ b/arch/arm64/include/asm/kvm_mmu.h
> @@ -53,27 +53,6 @@
>  
>  #include <asm/alternative.h>
>  
> -/*
> - * Convert a kernel VA into a HYP VA.
> - * reg: VA to be converted.
> - *
> - * The actual code generation takes place in kvm_update_va_mask, and
> - * the instructions below are only there to reserve the space and
> - * perform the register allocation (kvm_update_va_mask uses the
> - * specific registers encoded in the instructions).

Consider moving this comment to the C version instead of deleting it
completely (the part about the register allocation is pretty crucial).

Oliver can probably fix this when applying it, and my previous Ack
still stands.

	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

  reply	other threads:[~2024-02-08 12:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-08 10:54 [PATCH v1 0/2] small kern_hyp_va() cleanups Joey Gouly
2024-02-08 10:54 ` [PATCH v1 1/2] KVM: arm64: add comments to __kern_hyp_va Joey Gouly
2024-02-08 10:54 ` [PATCH v1 2/2] KVM: arm64: removed unused kern_hyp_va asm macro Joey Gouly
2024-02-08 12:42   ` Marc Zyngier [this message]
2024-02-08 13:28     ` Oliver Upton
2024-02-08 11:22 ` [PATCH v1 0/2] small kern_hyp_va() cleanups Oliver Upton
2024-02-08 12:38 ` Marc Zyngier
2024-02-12 20:55 ` Oliver Upton

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=86jznf5dqm.wl-maz@kernel.org \
    --to=maz@kernel.org \
    --cc=catalin.marinas@arm.com \
    --cc=james.morse@arm.com \
    --cc=joey.gouly@arm.com \
    --cc=kvmarm@lists.linux.dev \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=oliver.upton@linux.dev \
    --cc=suzuki.poulose@arm.com \
    --cc=will@kernel.org \
    --cc=yuzenghui@huawei.com \
    /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).