From: Behan Webster <behanw@converseincode.com>
To: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: anurag19aggarwal@gmail.com, catalin.marinas@arm.com,
charlebm@gmail.com, dave.long@linaro.org,
k.khlebnikov@samsung.com, linux@arm.linux.org.uk,
linyongting@gmail.com, Nikolay.Borisov@arm.com,
tglx@linutronix.de, u.kleine-koenig@pengutronix.de,
will.deacon@arm.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, rabin@rab.in, rostedt@goodmis.org,
dwmw2@infradead.org
Subject: Re: [PATCH 0/6] LLVMLinux: Patches to enable the kernel to be compiled with clang/LLVM
Date: Wed, 16 Jul 2014 21:17:43 -0700 [thread overview]
Message-ID: <53C74E67.9050401@converseincode.com> (raw)
In-Reply-To: <alpine.LFD.2.11.1407130508580.3647@knanqh.ubzr>
On 07/13/14 02:10, Nicolas Pitre wrote:
> On Tue, 8 Jul 2014, behanw@converseincode.com wrote:
>
>> From: Behan Webster <behanw@converseincode.com>
>>
>> The LLVMLinux project aims to fully build the Linux kernel using both gcc and
>> clang (the C front end for the LLVM compiler infrastructure project).
>>
>> Clang only supports global named registers for non-allocatable registers like
>> the stack pointer. By centralizing the definition of current_stack_pointer, the
>> use of named registers for ARM remains largely unchanged while working for both
>> gcc and clang.
> You verified that the compiled code is identical on gcc?
Yes. Identical.
> If so:
>
> Acked-by: Nicolas Pitre <nico@linaro.org>
Thanks,
Behan
--
Behan Webster
behanw@converseincode.com
prev parent reply other threads:[~2014-07-17 4:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-08 20:16 [PATCH 0/6] LLVMLinux: Patches to enable the kernel to be compiled with clang/LLVM behanw
2014-07-08 20:16 ` [PATCH 1/6] arm: LLVMLinux: Add global named register current_stack_pointer for ARM behanw
2014-07-08 20:16 ` [PATCH 2/6] arm: LLVMLinux: Use current_stack_pointer to calculate pt_regs address behanw
2014-07-08 20:16 ` [PATCH 3/6] arm: LLVMLinux: Use current_stack_pointer for return_address behanw
2014-07-08 20:16 ` [PATCH 4/6] arm: LLVMLinux: Use current_stack_pointer in save_stack_trace_tsk behanw
2014-07-08 20:16 ` [PATCH 5/6] arm: LLVMLinux: Calculate current_thread_info from current_stack_pointer behanw
2014-07-08 20:16 ` [PATCH 6/6] arm: LLVMLinux: Use current_stack_pointer in unwind_backtrace behanw
2014-07-09 9:57 ` [PATCH 0/6] LLVMLinux: Patches to enable the kernel to be compiled with clang/LLVM Will Deacon
2014-07-09 11:24 ` Jan-Simon Möller
2014-07-13 9:10 ` Nicolas Pitre
2014-07-17 4:17 ` Behan Webster [this message]
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