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From: Greg KH <gregkh@linuxfoundation.org>
To: ndesaulniers@google.com
Cc: natechancellor@gmail.com, mka@chromium.org,
	stable@vger.kernel.org, trong@android.com,
	Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH] arm64: lse: remove -fcall-used-x0 flag
Date: Sun, 11 Nov 2018 08:28:43 -0800	[thread overview]
Message-ID: <20181111162843.GA8564@kroah.com> (raw)
In-Reply-To: <20181029171026.236752-1-ndesaulniers@google.com>

On Mon, Oct 29, 2018 at 10:10:26AM -0700, ndesaulniers@google.com wrote:
> From: Tri Vo <trong@android.com>
> 
> commit 2a6c7c367de82951c98a290a21156770f6f82c84 upstream
> 
> x0 is not callee-saved in the PCS. So there is no need to specify
> -fcall-used-x0.
> 
> Clang doesn't currently support -fcall-used flags. This patch will help
> building the kernel with clang.
> 
> Tested-by: Nick Desaulniers <ndesaulniers@google.com>
> Acked-by: Will Deacon <will.deacon@arm.com>
> Signed-off-by: Tri Vo <trong@android.com>
> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
> ---
> Sending to stable for inclusion in 4.14. Needed for
> CONFIG_ARM64_LSE_ATOMICS.

Now queued up, and also added to 4.18.y and 4.19.y and 4.9.y

thanks,

greg k-h

      parent reply	other threads:[~2018-11-12  2:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-29 17:10 [PATCH] arm64: lse: remove -fcall-used-x0 flag ndesaulniers
2018-10-29 18:13 ` Tri Vo
2018-11-08 23:12   ` Nick Desaulniers
2018-11-11 16:28 ` Greg KH [this message]

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