Re: [PATCH] iommu: amd: hide unused iommu_table_lock

From: Joerg Roedel
Date: Thu May 03 2018 - 08:48:43 EST


On Wed, Apr 04, 2018 at 12:56:59PM +0200, Arnd Bergmann wrote:
> The newly introduced lock is only used when CONFIG_IRQ_REMAP is enabled:
>
> drivers/iommu/amd_iommu.c:86:24: error: 'iommu_table_lock' defined but not used [-Werror=unused-variable]
> static DEFINE_SPINLOCK(iommu_table_lock);
>
> This moves the definition next to the user, within the #ifdef protected
> section of the file.
>
> Fixes: ea6166f4b83e ("iommu/amd: Split irq_lookup_table out of the amd_iommu_devtable_lock")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/iommu/amd_iommu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.