From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Michal Suchanek <msuchanek@suse.de>, linuxppc-dev@lists.ozlabs.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Hari Bathini <hbathini@linux.ibm.com>,
Joel Stanley <joel@jms.id.au>,
Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
Firoz Khan <firoz.khan@linaro.org>,
Breno Leitao <leitao@debian.org>,
Russell Currey <ruscur@russell.cc>,
Nicolai Stange <nstange@suse.de>,
Michael Neuling <mikey@neuling.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Thomas Gleixner <tglx@linutronix.de>,
Arnd Bergmann <arnd@arndb.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Christian Brauner <christian@brauner.io>,
David Howells <dhowells@redhat.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Allison Randal <allison@lohutok.net>,
David Hildenbrand <david@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 5/6] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.
Date: Fri, 30 Aug 2019 22:23:33 +0200 [thread overview]
Message-ID: <6e362534-e764-0290-c868-30e4ae542678@c-s.fr> (raw)
In-Reply-To: <a4704404cccb801457aab577781001b28c495233.1567188299.git.msuchanek@suse.de>
Le 30/08/2019 à 20:57, Michal Suchanek a écrit :
> On bigendian ppc64 it is common to have 32bit legacy binaries but much
> less so on littleendian.
>
> Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
> v3: make configurable
> ---
> arch/powerpc/Kconfig | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 5bab0bb6b833..b0339e892329 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -264,8 +264,9 @@ config PANIC_TIMEOUT
> default 180
>
> config COMPAT
> - bool
> - default y if PPC64
> + bool "Enable support for 32bit binaries"
> + depends on PPC64
> + default y if !CPU_LITTLE_ENDIAN
> select COMPAT_BINFMT_ELF
> select ARCH_WANT_OLD_COMPAT_IPC
> select COMPAT_OLD_SIGACTION
>
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Michal Suchanek <msuchanek@suse.de>, linuxppc-dev@lists.ozlabs.org
Cc: David Hildenbrand <david@redhat.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
David Howells <dhowells@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Breno Leitao <leitao@debian.org>,
Michael Neuling <mikey@neuling.org>,
Nicolai Stange <nstange@suse.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Allison Randal <allison@lohutok.net>,
Firoz Khan <firoz.khan@linaro.org>, Joel Stanley <joel@jms.id.au>,
Arnd Bergmann <arnd@arndb.de>,
Nicholas Piggin <npiggin@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Christian Brauner <christian@brauner.io>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
Hari Bathini <hbathini@linux.ibm.com>
Subject: Re: [PATCH v6 5/6] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.
Date: Fri, 30 Aug 2019 22:23:33 +0200 [thread overview]
Message-ID: <6e362534-e764-0290-c868-30e4ae542678@c-s.fr> (raw)
In-Reply-To: <a4704404cccb801457aab577781001b28c495233.1567188299.git.msuchanek@suse.de>
Le 30/08/2019 à 20:57, Michal Suchanek a écrit :
> On bigendian ppc64 it is common to have 32bit legacy binaries but much
> less so on littleendian.
>
> Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
> v3: make configurable
> ---
> arch/powerpc/Kconfig | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 5bab0bb6b833..b0339e892329 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -264,8 +264,9 @@ config PANIC_TIMEOUT
> default 180
>
> config COMPAT
> - bool
> - default y if PPC64
> + bool "Enable support for 32bit binaries"
> + depends on PPC64
> + default y if !CPU_LITTLE_ENDIAN
> select COMPAT_BINFMT_ELF
> select ARCH_WANT_OLD_COMPAT_IPC
> select COMPAT_OLD_SIGACTION
>
next prev parent reply other threads:[~2019-08-30 20:23 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-30 18:57 [PATCH v6 0/6] Disable compat cruft on ppc64le v6 Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 18:57 ` [PATCH v6 1/6] powerpc: make llseek 32bit-only Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 19:46 ` [PATCH] Revert "asm-generic: Remove unneeded __ARCH_WANT_SYS_LLSEEK macro" Michal Suchanek
2019-08-30 19:46 ` Michal Suchanek
2019-08-30 19:46 ` Michal Suchanek
2019-08-30 19:46 ` Michal Suchanek
2019-08-30 19:46 ` Michal Suchanek
2019-08-30 19:54 ` Arnd Bergmann
2019-08-30 19:54 ` Arnd Bergmann
2019-08-30 19:54 ` Arnd Bergmann
2019-08-30 20:13 ` Michal Suchánek
2019-08-30 20:13 ` Michal Suchánek
2019-08-30 20:13 ` Michal Suchánek
2019-08-30 20:37 ` Arnd Bergmann
2019-08-30 20:37 ` Arnd Bergmann
2019-08-30 20:37 ` Arnd Bergmann
[not found] ` <20190830202959.3539-1-msuchanek@suse.de>
2019-08-30 20:32 ` Arnd Bergmann
2019-08-30 20:32 ` Re: Arnd Bergmann
2019-08-31 8:38 ` [PATCH] Revert "asm-generic: Remove unneeded __ARCH_WANT_SYS_LLSEEK macro" Christoph Hellwig
2019-08-31 8:38 ` Christoph Hellwig
2019-08-31 8:38 ` Christoph Hellwig
2019-08-31 13:44 ` Arnd Bergmann
2019-08-31 13:44 ` Arnd Bergmann
2019-08-31 13:44 ` Arnd Bergmann
2019-08-30 18:57 ` [PATCH v6 2/6] powerpc: move common register copy functions from signal_32.c to signal.c Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 20:22 ` Christophe Leroy
2019-08-30 20:22 ` Christophe Leroy
2019-08-30 18:57 ` [PATCH v6 3/6] powerpc/perf: consolidate read_user_stack_32 Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 20:21 ` Christophe Leroy
2019-08-30 20:21 ` Christophe Leroy
2019-08-30 18:57 ` [PATCH v6 4/6] powerpc/64: make buildable without CONFIG_COMPAT Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 20:21 ` Christophe Leroy
2019-08-30 20:21 ` Christophe Leroy
2019-08-30 20:35 ` Michal Suchánek
2019-08-30 20:35 ` Michal Suchánek
2019-08-30 18:57 ` [PATCH v6 5/6] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 20:23 ` Christophe Leroy [this message]
2019-08-30 20:23 ` Christophe Leroy
2019-08-30 18:57 ` [PATCH v6 6/6] powerpc/perf: split callchain.c by bitness Michal Suchanek
2019-08-30 18:57 ` Michal Suchanek
2019-08-30 19:06 ` Michal Suchánek
2019-08-30 19:06 ` Michal Suchánek
2019-09-02 2:51 ` Michael Ellerman
2019-09-02 2:51 ` Michael Ellerman
2019-08-30 20:28 ` Christophe Leroy
2019-08-30 20:28 ` Christophe Leroy
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