| Message ID | 20170720172606.3811-1-victora@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 75f327c6b75715f3a090daeb33e05003aaffb010 |
| Headers | show |
On Thu, 2017-07-20 at 17:26:06 UTC, victora wrote: > Replaced __this_cpu_read function call by raw_cpu_read in > iommu_range_alloc function. > Preemption doesn't need to be disabled since any CPU can safely > use IOMMU pool. > > Signed-off-by: Victor Aoqui <victora@linux.vnet.ibm.com> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/75f327c6b75715f3a090daeb33e050 cheers
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 233ca3f..0e49a45 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -208,7 +208,7 @@ static unsigned long iommu_range_alloc(struct device *dev, * We don't need to disable preemption here because any CPU can * safely use any IOMMU pool. */ - pool_nr = __this_cpu_read(iommu_pool_hash) & (tbl->nr_pools - 1); + pool_nr = raw_cpu_read(iommu_pool_hash) & (tbl->nr_pools - 1); if (largealloc) pool = &(tbl->large_pool);
Replaced __this_cpu_read function call by raw_cpu_read in iommu_range_alloc function. Preemption doesn't need to be disabled since any CPU can safely use IOMMU pool. Signed-off-by: Victor Aoqui <victora@linux.vnet.ibm.com> --- arch/powerpc/kernel/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)