Re: [PATCH 1/2] AutoFDO: Remove the architecture specific config

From: Rong Xu
Date: Thu Dec 19 2024 - 12:25:58 EST


Thanks for the Acked-by.

Regarding the ETM documentation change, I haven't forgotten it. I
think it's best for Yabin to submit another patch (or revision of his
previous patch), as he has done all the ETM side work.

Best regards,

-Rong

On Thu, Dec 19, 2024 at 7:52 AM Will Deacon <will@xxxxxxxxxx> wrote:
>
> On Wed, Dec 11, 2024 at 02:29:42PM -0800, Rong Xu wrote:
> > The CONFIG_AUTOFDO_CLANG option currently depends on
> > ARCH_SUPPORTS_AUTOFDO_CLANG, but this dependency seems unnecessary.
> >
> > Remove ARCH_SUPPORTS_AUTOFDO_CLANG and allow users to control AutoFDO
> > builds solely through CONFIG_AUTOFDO_CLANG. This simplifies the kconfig
> > and avoids potential confusion.
> >
> > Signed-off-by: Rong Xu <xur@xxxxxxxxxx>
> > Suggested-by: Will Deacon <will@xxxxxxxxxx>
> > ---
> > arch/Kconfig | 4 ----
> > arch/x86/Kconfig | 1 -
> > 2 files changed, 5 deletions(-)
>
> Acked-by: Will Deacon <will@xxxxxxxxxx>
>
> However, you've dropped the previous hunk you had to
> Documentation/dev-tools/autofdo.rst which had some text about using ETM
> to collect fdo data on arm64. It seems like that might still be useful
> to have?
>
> Will