From: Andrew Morton <akpm@linux-foundation.org>
To: Feng Tang <feng.tang@intel.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
kernel test robot <lkp@intel.com>,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
Guo Ren <guoren@kernel.org>
Subject: Re: [PATCH] lib/Kconfig.debug: add ARCH dependency for FUNCTION_ALIGN option
Date: Thu, 3 Mar 2022 17:45:50 -0800 [thread overview]
Message-ID: <20220303174550.4baa4d6d228320f09807c987@linux-foundation.org> (raw)
In-Reply-To: <20220303082048.16558-1-feng.tang@intel.com>
On Thu, 3 Mar 2022 16:20:48 +0800 Feng Tang <feng.tang@intel.com> wrote:
> 0Day robots reported there is compiling issue for 'csky' ARCH
> when CONFIG_DEBUG_FORCE_DATA_SECTION_ALIGNED is enabled [1]:
>
> ...
>
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -401,8 +401,8 @@ config SECTION_MISMATCH_WARN_ONLY
> If unsure, say Y.
>
> config DEBUG_FORCE_FUNCTION_ALIGN_64B
> - bool "Force all function address 64B aligned" if EXPERT
> - depends on PPC || ARM || X86
I cannot find a kernel which contains the above line?
> + bool "Force all function address 64B aligned"
> + depends on EXPERT && (X86_64 || ARM64 || PPC32 || PPC64 || ARC)
> help
> There are cases that a commit from one domain changes the function
> address alignment of other domains, and cause magic performance
next prev parent reply other threads:[~2022-03-04 1:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-03 8:20 Feng Tang
2022-03-04 1:45 ` Andrew Morton [this message]
2022-03-04 2:11 ` Feng Tang
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