From: Guenter Roeck <linux@roeck-us.net>
To: Will Deacon <will@kernel.org>
Cc: Brian Cain <bcain@codeaurora.org>,
linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Masahiro Yamada <masahiroy@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH] compiler/gcc: Raise minimum GCC version for kernel builds to 4.8
Date: Tue, 26 May 2020 08:30:04 -0700 [thread overview]
Message-ID: <20200526153004.GA74229@roeck-us.net> (raw)
On Mon, May 11, 2020 at 09:41:37PM +0100, Will Deacon wrote:
> It is very rare to see versions of GCC prior to 4.8 being used to build
> the mainline kernel. These old compilers are also known to have codegen
> issues which can lead to silent miscompilation:
>
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145
>
> Raise the minimum GCC version to 4.8 for building the kernel and remove
> some tautological Kconfig dependencies as a consequence.
My hexagon compiler is v4.6.1, and I have been unable to find a more
recent version. Does anyone happen to have a pointer to a hexagon toolchain
with gcc 4.8 or later ?
Thanks,
Guenter
next reply other threads:[~2020-05-26 15:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 15:30 Guenter Roeck [this message]
2020-05-26 15:40 ` [PATCH] compiler/gcc: Raise minimum GCC version for kernel builds to 4.8 Nick Desaulniers
2020-05-26 16:03 ` Guenter Roeck
2020-05-26 16:08 ` Nick Desaulniers
2020-05-26 21:57 ` Brian Cain
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