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SubjectRe: [PATCH RFC V9 2/19] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks
On Sun, Jun 02, 2013 at 12:52:09AM +0530, Raghavendra K T wrote:
> x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks
>
> From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
>
> The code size expands somewhat, and its better to just call
> a function rather than inline it.
>
> Thanks Jeremy for original version of ARCH_NOINLINE_SPIN_UNLOCK config patch,
> which is simplified.
>
> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---
> arch/x86/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 685692c..80fcc4b 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -621,6 +621,7 @@ config PARAVIRT_DEBUG
> config PARAVIRT_SPINLOCKS
> bool "Paravirtualization layer for spinlocks"
> depends on PARAVIRT && SMP
> + select UNINLINE_SPIN_UNLOCK
> ---help---
> Paravirtualized spinlocks allow a pvops backend to replace the
> spinlock implementation with something virtualization-friendly
>


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