From: wade_farnsworth@mentor•com (Wade Farnsworth)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/3] ARM: add support for the generic syscall.h interface
Date: Fri, 24 Feb 2012 08:47:36 -0700 [thread overview]
Message-ID: <4F47B118.6060702@mentor.com> (raw)
In-Reply-To: <20120224110004.GE13504@mudshark.cambridge.arm.com>
Will Deacon wrote:
> Hi Wade,
>
> On Wed, Feb 22, 2012 at 02:45:36PM +0000, Wade Farnsworth wrote:
>> Supplying the asm-generic/syscall.h interface is a
>> pre-requisite for HAVE_ARCH_TRACEHOOK
>>
>> Signed-off-by: Steven Walter<stevenrwalter@gmail•com>
>> Signed-off-by: Wade Farnsworth<wade_farnsworth@mentor•com>
>> ---
>> arch/arm/include/asm/syscall.h | 93 ++++++++++++++++++++++++++++++++++++++++
>> 1 files changed, 93 insertions(+), 0 deletions(-)
>> create mode 100644 arch/arm/include/asm/syscall.h
>
> [...]
>
>> +
>> +static inline void syscall_set_return_value(struct task_struct *task,
>> + struct pt_regs *regs,
>> + int error, long val)
>> +{
>> + regs->ARM_r0 = (long) error ?: val;
>> +}
>
> This looks like far too much fun for kernel code, although I see that '?:'
> does appear elsewhere in the kernel. Usually in perl regexs though :)
>
OK, I'll change this to
regs->ARM_r0 = (long) error ? error : val;
That better? :)
Thanks,
-Wade
next prev parent reply other threads:[~2012-02-24 15:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 14:44 [PATCH 0/3] ARM support for syscall tracing Wade Farnsworth
2012-02-22 14:45 ` [PATCH 1/3] ARM: add support for the generic syscall.h interface Wade Farnsworth
2012-02-24 11:00 ` Will Deacon
2012-02-24 15:47 ` Wade Farnsworth [this message]
2012-02-22 14:46 ` [PATCH 2/3] ARM: add TRACEHOOK support Wade Farnsworth
2012-02-22 14:47 ` [PATCH 3/3] ARM: support syscall tracing Wade Farnsworth
2012-02-24 11:05 ` Will Deacon
2012-02-24 15:48 ` Wade Farnsworth
2012-02-29 14:34 ` [PATCH v2 0/3] ARM support for " Wade Farnsworth
2012-02-29 14:35 ` [PATCH v2 1/3] ARM: add support for the generic syscall.h interface Wade Farnsworth
2012-02-29 14:36 ` [PATCH v2 2/3] ARM: add TRACEHOOK support Wade Farnsworth
2012-02-29 14:36 ` [PATCH v2 3/3] ARM: support syscall tracing Wade Farnsworth
2012-02-29 18:29 ` [PATCH v2 0/3] ARM support for " Will Deacon
2012-03-05 14:42 ` [PATCH v3 " Wade Farnsworth
2012-03-05 14:43 ` [PATCH v3 1/3] ARM: add support for the generic syscall.h interface Wade Farnsworth
2012-03-05 14:43 ` [PATCH v3 2/3] ARM: add TRACEHOOK support Wade Farnsworth
2012-03-05 14:44 ` [PATCH v3 3/3] ARM: support syscall tracing Wade Farnsworth
2012-03-23 14:50 ` [PATCH v4 0/3] ARM support for " Wade Farnsworth
2012-03-23 14:51 ` [PATCH v4 1/3] ARM: add support for the generic syscall.h interface Wade Farnsworth
2012-03-23 14:52 ` [PATCH v4 2/3] ARM: add TRACEHOOK support Wade Farnsworth
2012-03-23 14:53 ` [PATCH v4 3/3] ARM: support syscall tracing Wade Farnsworth
2012-03-30 16:55 ` [PATCH v4 0/3] ARM support for " Will Deacon
-- strict thread matches above, loose matches on Subject: below --
2011-11-29 16:28 [RFC] " Steven Walter
2011-11-29 16:28 ` [PATCH 1/3] ARM: add support for the generic syscall.h interface Steven Walter
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