On Tue, May 22, 2012 at 10:54 PM, Siarhei Siamashka <siarhei.siamashka@xxxxxxxxx> wrote: > Needed for remapping pages with write-through cacheable > attribute. May be useful for framebuffers. With this series applied, some of my framebuffer programs get over 70% performance improvement, could we get this patch in? OMAP DSS maintainer agreed to take the second patch if this can be merged. > Signed-off-by: Siarhei Siamashka <siarhei.siamashka@xxxxxxxxx> > --- > arch/arm/include/asm/pgtable.h | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h > index f66626d..04297fa 100644 > --- a/arch/arm/include/asm/pgtable.h > +++ b/arch/arm/include/asm/pgtable.h > @@ -103,6 +103,9 @@ extern pgprot_t pgprot_kernel; > #define pgprot_stronglyordered(prot) \ > __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) > > +#define pgprot_writethrough(prot) \ > + __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_WRITETHROUGH) > + > #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE > #define pgprot_dmacoherent(prot) \ > __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN) > -- > 1.7.3.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Gražvydas -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
