Am Dienstag, den 10.07.2018, 16:12 +0200 schrieb Sascha Hauer: > Fixes: e3e54c6441 ARM: mmu: Implement on-demand PTE allocation > > PGD_FLAGS_WC_V7 lacks the PMD_TYPE_SECT and PMD_SECT_BUFFERABLE flags. > Without them a dma_alloc_writecombine() creates an invalid section when > it crosses a section boundary. > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> Care to push to master? > --- > arch/arm/cpu/mmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c > index 7e2e5bf7e0..ae189ecdeb 100644 > --- a/arch/arm/cpu/mmu.c > +++ b/arch/arm/cpu/mmu.c > @@ -61,7 +61,7 @@ static inline void tlb_invalidate(void) > #define PTE_FLAGS_UNCACHED_V7 (0) > #define PTE_FLAGS_CACHED_V4 (PTE_SMALL_AP_UNO_SRW | PTE_BUFFERABLE | PTE_CACHEABLE) > #define PTE_FLAGS_UNCACHED_V4 PTE_SMALL_AP_UNO_SRW > -#define PGD_FLAGS_WC_V7 PMD_SECT_TEX(1) > +#define PGD_FLAGS_WC_V7 (PMD_SECT_TEX(1) | PMD_TYPE_SECT | PMD_SECT_BUFFERABLE) > > /* > * PTE flags to set cached and uncached areas. _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
