From: Frederic Weisbecker <fweisbec@gmail.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Ian Munsie <imunsie@au1.ibm.com>,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
x86@kernel.org, Jason Baron <jbaron@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>, Greg Ungerer <gerg@uclinux.org>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
Russell King <rmk+kernel@arm.linux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 12/40] x86, compat: convert ia32 layer to use
Date: Wed, 23 Jun 2010 13:41:17 +0200 [thread overview]
Message-ID: <20100623114116.GE5242@nowhere> (raw)
In-Reply-To: <20100623104603.GB11845@lst.de>
On Wed, Jun 23, 2010 at 12:46:04PM +0200, Christoph Hellwig wrote:
> On Wed, Jun 23, 2010 at 12:36:21PM +0200, Frederic Weisbecker wrote:
> > I think we wanted that to keep the sys32_ prefixed based naming, to avoid
> > collisions with generic compat handler names.
>
> For native syscalls we do this by adding a arch prefix inside the
> syscall name, e.g.:
>
> arch/s390/kernel/sys_s390.c:SYSCALL_DEFINE(s390_fallocate)(int fd, int mode, loff_t offset,
> arch/sparc/kernel/sys_sparc_64.c:SYSCALL_DEFINE1(sparc_pipe_real, struct pt_regs *, regs)
In fact we sort of wanted to standardize the name of arch overriden compat
syscalls, so that userspace programs playing with syscalls tracing won't have
to deal with arch naming differences.
next prev parent reply other threads:[~2010-06-23 11:41 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-23 10:02 ftrace syscalls, PowerPC: Various fixes, Compat Syscall support and PowerPC implementation, V2 Ian Munsie
2010-06-23 10:02 ` [PATCH 01/40] ftrace syscalls: don't add events for unmapped syscalls Ian Munsie
2010-06-23 15:02 ` Steven Rostedt
2010-06-29 1:18 ` Ian Munsie
2010-06-23 10:02 ` [PATCH 02/40] ftrace syscalls: Make arch_syscall_addr weak Ian Munsie
2010-06-23 10:02 ` [PATCH 03/40] ftrace syscalls: Allow arch specific syscall symbol matching Ian Munsie
2010-06-23 10:02 ` [PATCH 04/40] trace, powerpc: Implement raw syscall tracepoints on PowerPC Ian Munsie
2010-06-23 10:02 ` [PATCH 05/40] x86: add NR_syscalls_compat, make ia32 syscall table visible Ian Munsie
2010-06-23 10:02 ` [PATCH 06/40] x86: add arch_compat_syscall_addr() Ian Munsie
2010-06-23 10:02 ` [PATCH 08/40] tracing: remove syscall bitmaps in preparation for compat support Ian Munsie
2010-06-23 15:16 ` Steven Rostedt
2010-06-23 19:14 ` Jason Baron
2010-06-23 19:34 ` Jason Baron
2010-06-23 19:45 ` Steven Rostedt
2010-06-23 10:02 ` [PATCH 09/40] tracing: move __start_ftrace_events and __stop_ftrace_events to header file Ian Munsie
2010-06-23 10:02 ` [PATCH 10/40] tracing: add tracing support for compat syscalls Ian Munsie
2010-06-23 15:26 ` Steven Rostedt
2010-06-23 16:02 ` Frederic Weisbecker
2010-06-23 10:02 ` [PATCH 11/40] syscalls: add ARCH_COMPAT_SYSCALL_DEFINE() Ian Munsie
2010-06-23 10:02 ` [PATCH 12/40] x86, compat: convert ia32 layer to use Ian Munsie
2010-06-23 10:14 ` Christoph Hellwig
2010-06-23 10:36 ` Frederic Weisbecker
2010-06-23 10:46 ` Christoph Hellwig
2010-06-23 11:41 ` Frederic Weisbecker [this message]
2010-06-23 19:23 ` H. Peter Anvin
2010-06-24 14:37 ` Christoph Hellwig
2010-06-23 10:02 ` [PATCH 13/40] syscalls: add new COMPAT_SYSCALL_DEFINE#N() macro Ian Munsie
2010-06-23 10:02 ` [PATCH 14/40] compat: convert to use COMPAT_SYSCALL_DEFINE#N() Ian Munsie
2010-06-23 10:02 ` [PATCH 15/40] compat: convert fs compat to use COMPAT_SYSCALL_DEFINE#N() macros Ian Munsie
2010-06-23 10:02 ` [PATCH 16/40] tags: recognize compat syscalls Ian Munsie
2010-06-24 12:02 ` Michal Marek
2010-06-23 10:02 ` [PATCH 17/40] tracing: make a "compat_syscalls" tracing subsys Ian Munsie
2010-06-23 10:02 ` [PATCH 18/40] compat_syscalls: introduce CONFIG_COMPAT_FTRACE_SYSCALLS Ian Munsie
2010-06-23 10:03 ` [PATCH 19/40] trace syscalls: Remove redundant syscall_nr checks Ian Munsie
2010-06-23 10:03 ` [PATCH 20/40] trace syscalls: Considder compat_syscall_nr when verifying syscall_nr Ian Munsie
2010-06-23 10:03 ` [PATCH 21/40] trace syscalls, PPC: Add ftrace compat syscall support for PPC64 Ian Munsie
2010-06-23 10:03 ` [PATCH 22/40] trace syscalls, PPC: Convert syscalls to SYSCALL_DEFINE Ian Munsie
2010-06-23 10:03 ` [PATCH 23/40] trace syscalls, PPC: Convert ppc32 compat syscalls to COMPAT_SYSCALL Ian Munsie
2010-06-23 10:03 ` [PATCH 24/40] trace syscalls, PPC: Convert more " Ian Munsie
2010-06-23 10:03 ` [PATCH 25/40] trace syscalls: Refactor syscall metadata creation Ian Munsie
2010-06-23 10:03 ` [PATCH 26/40] trace syscalls, PPC: Add PPC_REGS_SYSCALL_DEFINE macros Ian Munsie
2010-06-23 10:03 ` [PATCH 27/40] trace syscalls: Add COMPAT_SYSCALL_DEFINE0 macro Ian Munsie
2010-06-23 10:03 ` [PATCH 28/40] trace syscalls, PPC: Convert syscalls using regs to REGS_SYSCALL_DEFINE macros Ian Munsie
2010-06-23 10:03 ` [PATCH 29/40] trace syscalls, PPC: Convert ppc32_ syscalls to ARCH_COMPAT_SYSCALL_DEFINE Ian Munsie
2010-06-23 10:03 ` [PATCH 30/40] trace syscalls: Convert remaining kernel/compat.c syscalls to COMPAT_SYSCALL_DEFINE Ian Munsie
2010-06-23 10:03 ` [PATCH 33/40] trace syscalls: Infrastructure for syscalls different return types Ian Munsie
2010-06-23 10:03 ` [PATCH 34/40] trace syscalls: Convert generic syscalls without long return type Ian Munsie
2010-06-23 10:03 ` [PATCH 35/40] trace syscalls, PPC: Convert PPC syscalls without long return types Ian Munsie
2010-06-23 10:03 ` [PATCH 36/40] trace syscalls: Early terminate search for sys_ni_syscall Ian Munsie
2010-06-23 10:03 ` [PATCH 37/40] trace syscalls: Print out unmapped syscalls at boot Ian Munsie
2010-06-23 10:03 ` [PATCH 38/40] trace syscalls: Remove redundant test for unmapped compat syscalls Ian Munsie
2010-06-23 10:03 ` [PATCH 39/40] trace syscalls: Clean confusing {s,r,}name and fix ABI breakage Ian Munsie
2010-06-23 18:03 ` Jason Baron
2010-06-29 1:02 ` Ian Munsie
2010-06-23 10:03 ` [PATCH 40/40] trace syscalls, PPC: Convert morphing native/compat syscalls Ian Munsie
[not found] ` <1277287401-28571-32-git-send-email-imunsie@au1.ibm.com>
[not found] ` <4C21DFBA.2070202@linux.intel.com>
[not found] ` <20100623102931.GB5242@nowhere>
[not found] ` <4C21E3F8.9000405@linux.intel.com>
2010-06-24 12:05 ` [PATCH 31/40] trace syscalls: Convert various generic compat syscalls Michal Marek
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