linux-kernel - Re: [PATCH] kbuild: dummy-tools: support make MPROFILE

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Message-ID: <0d86668f-4f48-cd21-b891-443e99c5c86a@kernel.org>
Date:   Tue, 29 Aug 2023 13:00:43 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     "Jiri Slaby (SUSE)" <jirislaby@...nel.org>, masahiroy@...nel.org
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Nicholas Piggin <npiggin@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Kubecek <mkubecek@...e.cz>
Subject: Re: [PATCH] kbuild: dummy-tools: support make MPROFILE_KERNEL checks
 work on BE

I deleted too few: the subject should read:
kbuild: dummy-tools: make MPROFILE_KERNEL checks work on BE

I will submit v2 if there are no other objections.

On 29. 08. 23, 12:51, Jiri Slaby (SUSE) wrote:
> From: Jiri Slaby <jslaby@...e.cz>
> 
> Commit 2eab791f940b ("kbuild: dummy-tools: support MPROFILE_KERNEL
> checks for ppc") added support for ppc64le's checks for
> -mprofile-kernel.
> 
> Now, commit aec0ba7472a7 ("powerpc/64: Use -mprofile-kernel for big
> endian ELFv2 kernels") added support for -mprofile-kernel even on
> big-endian ppc.
> 
> So lift the check in gcc-check-mprofile-kernel.sh to support big-endian too.
> 
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Cc: Nathan Chancellor <nathan@...nel.org>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: Nicolas Schier <nicolas@...sle.eu>
> Cc: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>
> Cc: Christophe Leroy <christophe.leroy@...roup.eu>
> Cc: Nicholas Piggin <npiggin@...il.com>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Michal Kubecek <mkubecek@...e.cz>
> ---
>   scripts/dummy-tools/gcc | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc
> index 1db1889f6d81..07f6dc4c5cf6 100755
> --- a/scripts/dummy-tools/gcc
> +++ b/scripts/dummy-tools/gcc
> @@ -85,8 +85,7 @@ if arg_contain -S "$@"; then
>   	fi
>   
>   	# For arch/powerpc/tools/gcc-check-mprofile-kernel.sh
> -	if arg_contain -m64 "$@" && arg_contain -mlittle-endian "$@" &&
> -		arg_contain -mprofile-kernel "$@"; then
> +	if arg_contain -m64 "$@" && arg_contain -mprofile-kernel "$@"; then
>   		if ! test -t 0 && ! grep -q notrace; then
>   			echo "_mcount"
>   		fi

-- 
js
suse labs