Hi Sergei, Thank you for the review.
On Monday 21 April 2014 23:05:00 Sergei Shtylyov wrote: > On 04/21/2014 06:13 PM, Laurent Pinchart wrote: > > The PTRS_PER_(PGD|PMD|PTE) macros evaluate to different values depending > > on whether LPAE is enabled. The IPMMU driver uses a long descriptor > > format regardless of LPAE, making those macros mismatch the IPMMU > > configuration on non-LPAE systems. > > > > Replace the macros by driver-specific versions that always evaluate to > > the right value. > > > > Signed-off-by: Laurent Pinchart > > <laurent.pinchart+rene...@ideasonboard.com> > > --- > > > > drivers/iommu/ipmmu-vmsa.c | 14 +++++++++----- > > 1 file changed, 9 insertions(+), 5 deletions(-) > > > > diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c > > index 1ae97d8..7c8c21e 100644 > > --- a/drivers/iommu/ipmmu-vmsa.c > > +++ b/drivers/iommu/ipmmu-vmsa.c > > @@ -210,6 +210,10 @@ static LIST_HEAD(ipmmu_devices); > > > > #define ARM_VMSA_PTE_MEMATTR_NC (((pteval_t)0x5) << 2) > > #define ARM_VMSA_PTE_MEMATTR_DEV (((pteval_t)0x1) << 2) > > > > +#define IPMMU_PTRS_PER_PTE 512 > > +#define IPMMU_PTRS_PER_PMD 512 > > +#define IPMMU_PTRS_PER_PGD 4 > > + > > [...] > > > @@ -487,7 +491,7 @@ static void ipmmu_free_puds(pgd_t *pgd) > > > > unsigned int i; > > > > pud = pud_base; > > > > - for (i = 0; i < PTRS_PER_PUD; ++i) { > > + for (i = 0; i < IPMMU_PTRS_PER_PUD; ++i) { > > I don't see where you #define IPMMU_PTRS_PER_PUD... Come on, it's easy. I don't define it anywhere :-) The line is changed in a further patch, it seems I've forgotten to compile- test all intermediate versions. Thank you for catching the problem, I'll fix that in v2 and will make sure to properly test all patches individually. -- Regards, Laurent Pinchart _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu