Re: [PATCH] iommu/amd: fix unused-variable warning

[Sebastian Andrzej Siewior]

On 2018-04-20 11:28:36 [+0200], Tobias Regnery wrote:
> The iommu_table_lock is only used by code inside an ifdef CONFIG_IRQ_REMAP
> block. This leads to the following warning with CONFIG_IRQ_REMAP=n:
> 
> amd_iommu.c:86:24: warning: 'iommu_table_lock' defined but not used [-Wunused-variable]
> 
> Guard the spinlock definition with the same ifdef.
> 
> Fixes: ea6166f4b83e9 ("iommu/amd: Split irq_lookup_table out of the amd_iommu_devtable_lock")
> Signed-off-by: Tobias Regnery <tobias.regnery@xxxxxxxxx>

Thank you for spotting this, I am waiting for JÃrg to pick up this
instead:
  http://lkml.kernel.org/r/20180404105713.633983-1-arnd@xxxxxxxx

Sebastian