From: Christophe LEROY <christophe.leroy@c-s.fr>
To: Paul Burton <paul.burton@mips.com>, linux-kbuild@vger.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-mips@linux-mips.org, Arnd Bergmann <arnd@arndb.de>,
Ingo Molnar <mingo@kernel.org>, Matthew Wilcox <matthew@wil.cx>,
Thomas Gleixner <tglx@linutronix.de>,
Douglas Anderson <dianders@chromium.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Matthias Kaehlcke <mka@chromium.org>,
He Zhe <zhe.he@windriver.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michal Marek <michal.lkml@markovi.net>,
Khem Raj <raj.khem@gmail.com>, Al Viro <viro@zeniv.linux.org.uk>,
Stafford Horne <shorne@gmail.com>,
Gideon Israel Dsouza <gidisrael@gmail.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Kees Cook <keescook@chromium.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 0/3] Resolve -Wattribute-alias warnings from SYSCALL_DEFINEx()
Date: Mon, 18 Jun 2018 09:00:37 +0200 [thread overview]
Message-ID: <f9b53b28-7961-d970-3c6c-570ec595d29f@c-s.fr> (raw)
In-Reply-To: <20180616005323.7938-1-paul.burton@mips.com>
Le 16/06/2018 à 02:53, Paul Burton a écrit :
> This series introduces infrastructure allowing compiler diagnostics to
> be disabled or their severity modified for specific pieces of code, with
> suitable abstractions to prevent that code from becoming tied to a
> specific compiler.
>
> This infrastructure is then used to disable the -Wattribute-alias
> warning around syscall definitions, which rely on type mismatches to
> sanitize arguments.
>
> Finally PowerPC-specific #pragma's are removed now that the generic code
> is handling this.
>
> The series takes Arnd's RFC patches & addresses the review comments they
> received. The most notable effect of this series to to avoid warnings &
> build failures caused by -Wattribute-alias when compiling the kernel
> with GCC 8.
>
> Applies cleanly atop master as of 9215310cf13b ("Merge
> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net").
>
> Thanks,
> Paul
>
> Arnd Bergmann (2):
> kbuild: add macro for controlling warnings to linux/compiler.h
> disable -Wattribute-alias warning for SYSCALL_DEFINEx()
>
> Paul Burton (1):
> Revert "powerpc: fix build failure by disabling attribute-alias
> warning in pci_32"
>
> arch/powerpc/kernel/pci_32.c | 4 ---
> include/linux/compat.h | 8 ++++-
> include/linux/compiler-gcc.h | 66 ++++++++++++++++++++++++++++++++++
> include/linux/compiler_types.h | 18 ++++++++++
> include/linux/syscalls.h | 4 +++
> 5 files changed, 95 insertions(+), 5 deletions(-)
>
Works well, thanks.
You can then also revert 2479bfc9bc600dcce7f932d52dcfa8d677c41f93
("powerpc: Fix build by disabling attribute-alias warning for
SYSCALL_DEFINEx")
Christophe
next prev parent reply other threads:[~2018-06-18 7:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-16 0:53 [PATCH 0/3] Resolve -Wattribute-alias warnings from SYSCALL_DEFINEx() Paul Burton
2018-06-16 0:53 ` [PATCH 1/3] kbuild: add macro for controlling warnings to linux/compiler.h Paul Burton
2018-06-18 7:01 ` Christophe LEROY
2018-06-19 17:34 ` Masahiro Yamada
2018-06-19 19:02 ` Paul Burton
2018-06-19 20:14 ` [PATCH v2 0/3] Resolve -Wattribute-alias warnings from SYSCALL_DEFINEx() Paul Burton
2018-06-19 20:14 ` [PATCH v2 1/3] kbuild: add macro for controlling warnings to linux/compiler.h Paul Burton
2018-06-20 23:17 ` Masahiro Yamada
2018-06-19 20:14 ` [PATCH v2 2/3] disable -Wattribute-alias warning for SYSCALL_DEFINEx() Paul Burton
2018-06-19 20:14 ` [PATCH v2 3/3] powerpc: Remove -Wattribute-alias pragmas Paul Burton
2018-06-20 13:40 ` Christophe LEROY
2018-06-23 8:40 ` [PATCH v2 0/3] Resolve -Wattribute-alias warnings from SYSCALL_DEFINEx() Masahiro Yamada
2018-06-20 23:21 ` [PATCH 1/3] kbuild: add macro for controlling warnings to linux/compiler.h Masahiro Yamada
2018-06-21 0:02 ` Paul Burton
2018-06-16 0:53 ` [PATCH 2/3] disable -Wattribute-alias warning for SYSCALL_DEFINEx() Paul Burton
2018-06-18 7:01 ` Christophe LEROY
2018-06-16 0:53 ` [PATCH 3/3] Revert "powerpc: fix build failure by disabling attribute-alias warning in pci_32" Paul Burton
2018-06-18 7:01 ` Christophe LEROY
2018-06-19 13:01 ` Michael Ellerman
2018-06-17 1:11 ` [PATCH 0/3] Resolve -Wattribute-alias warnings from SYSCALL_DEFINEx() Stafford Horne
2018-06-18 7:00 ` Christophe LEROY [this message]
2018-06-18 13:05 ` Arnd Bergmann
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