On 09/13/2014 03:04 AM, Richard Weinberger wrote:
Am 13.09.2014 04:48, schrieb Li RongQing:
I did not test, how to test it?
Compare the object files of both variants to find out whether both create
semantically equivalent code and whether the un/likely have an effect.
i.e. objdump -S -d
Am 13.09.2014 04:48, schrieb Li RongQing:
> I did not test, how to test it?
Compare the object files of both variants to find out whether both create
semantically equivalent code and whether the un/likely have an effect.
i.e. objdump -S -d kernel/signal.o
I guess you can just remove the likely as
Am 13.09.2014 04:48, schrieb Li RongQing:
I did not test, how to test it?
Compare the object files of both variants to find out whether both create
semantically equivalent code and whether the un/likely have an effect.
i.e. objdump -S -d kernel/signal.o
I guess you can just remove the likely as
On 09/13/2014 03:04 AM, Richard Weinberger wrote:
Am 13.09.2014 04:48, schrieb Li RongQing:
I did not test, how to test it?
Compare the object files of both variants to find out whether both create
semantically equivalent code and whether the un/likely have an effect.
i.e. objdump -S -d
I did not test, how to test it?
On Fri, Sep 12, 2014 at 3:18 AM, Guenter Roeck wrote:
> On Thu, Sep 11, 2014 at 08:48:16AM +0800, roy.qing...@gmail.com wrote:
>> From: Li RongQing
>>
>> !likely() is hard to be understood, and I do not know if compiler can
>> optimise this condition, but
I did not test, how to test it?
On Fri, Sep 12, 2014 at 3:18 AM, Guenter Roeck li...@roeck-us.net wrote:
On Thu, Sep 11, 2014 at 08:48:16AM +0800, roy.qing...@gmail.com wrote:
From: Li RongQing roy.qing...@gmail.com
!likely() is hard to be understood, and I do not know if compiler can
On Thu, Sep 11, 2014 at 08:48:16AM +0800, roy.qing...@gmail.com wrote:
> From: Li RongQing
>
> !likely() is hard to be understood, and I do not know if compiler can
> optimise this condition, but unlikely(!()) is clear
>
> Signed-off-by: Li RongQing
> ---
> kernel/signal.c |2 +-
> 1
On Thu, Sep 11, 2014 at 08:48:16AM +0800, roy.qing...@gmail.com wrote:
From: Li RongQing roy.qing...@gmail.com
!likely() is hard to be understood, and I do not know if compiler can
optimise this condition, but unlikely(!()) is clear
Signed-off-by: Li RongQing roy.qing...@gmail.com
---
From: Li RongQing
!likely() is hard to be understood, and I do not know if compiler can
optimise this condition, but unlikely(!()) is clear
Signed-off-by: Li RongQing
---
kernel/signal.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/signal.c b/kernel/signal.c
From: Li RongQing roy.qing...@gmail.com
!likely() is hard to be understood, and I do not know if compiler can
optimise this condition, but unlikely(!()) is clear
Signed-off-by: Li RongQing roy.qing...@gmail.com
---
kernel/signal.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff
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