From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Huacai Chen <chenhuacai@loongson.cn>
Cc: Sasha Levin <sashal@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
Tianrui Zhao <zhaotianrui@loongson.cn>,
Bibo Mao <maobibo@loongson.cn>, Xuerui Wang <kernel@xen0n.name>,
stable@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Xianglai Li <lixianglai@loongson.cn>
Subject: Re: [PATCH for 6.12] LoongArch: KVM: Compile switch.S directly into the kernel
Date: Fri, 15 May 2026 12:09:51 +0200 [thread overview]
Message-ID: <2026051542-acclaim-grew-bd5a@gregkh> (raw)
In-Reply-To: <20260513031224.2122119-1-chenhuacai@loongson.cn>
On Wed, May 13, 2026 at 11:12:24AM +0800, Huacai Chen wrote:
> From: Xianglai Li <lixianglai@loongson.cn>
>
> commit 5203012fa6045aac4b69d4e7c212e16dcf38ef10 upstream.
>
> If we directly compile the switch.S file into the kernel, the address of
> the kvm_exc_entry function will definitely be within the DMW memory area.
> Therefore, we will no longer need to perform a copy relocation of the
> kvm_exc_entry.
>
> So this patch compiles switch.S directly into the kernel, and then remove
> the copy relocation execution logic for the kvm_exc_entry function.
>
> Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> ---
> arch/loongarch/Kbuild | 2 +-
> arch/loongarch/include/asm/asm-prototypes.h | 20 ++++++++++++
> arch/loongarch/include/asm/kvm_host.h | 3 --
> arch/loongarch/kvm/Makefile | 3 +-
> arch/loongarch/kvm/main.c | 35 ++-------------------
> arch/loongarch/kvm/switch.S | 19 ++++++++---
> 6 files changed, 40 insertions(+), 42 deletions(-)
Does not apply properly to the 6.12.y tree :(
prev parent reply other threads:[~2026-05-15 10:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-13 3:12 [PATCH for 6.12] LoongArch: KVM: Compile switch.S directly into the kernel Huacai Chen
2026-05-15 10:09 ` Greg Kroah-Hartman [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=2026051542-acclaim-grew-bd5a@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=chenhuacai@kernel.org \
--cc=chenhuacai@loongson.cn \
--cc=kernel@xen0n.name \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lixianglai@loongson.cn \
--cc=maobibo@loongson.cn \
--cc=sashal@kernel.org \
--cc=stable@vger.kernel.org \
--cc=zhaotianrui@loongson.cn \
/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