If you have anĮmbedded board, consult your board documentation.ĭiff -git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h Have an IBM RS/6000 or pSeries machine, say Y. ZONE_DMA: optionally for memory 32-bit for 32-bit kernelsĪlso provide information on how ZONE_DMA is used by definingĬontains various fixes from Benjamin Herrenschmidt.Īrch/powerpc/kernel/dma-swiotlb.c | 6 +-Īrch/powerpc/mm/mem.c | 47 +++++++-Īrch/powerpc/platforms/85xx/corenet_generic.c | 10 -Īrch/powerpc/platforms/85xx/qemu_e500.c | 9 -ĩ files changed, 25 insertions(+), 67 deletions(-)ĭiff -git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig Move to a scheme closer to what other architectures use (and I dare to Powerpc has somewhat odd usage where ZONE_DMA is used for all memory onĬommon 64-bit configfs, and ZONE_DMA32 is used for 31-bit schemes. ` (35 subsequent siblings) 36 siblings, 1 reply 187+ messages in thread 8:22 ` powerpc: allow NOT_COHERENT_CACHE for amigaone Christoph Hellwig 8:22 use generic DMA mapping code in powerpc V4 Christoph 8:22 ` Christoph Hellwig The changes since v1 are to big to list and v2 was not posted in public. drop the full npu removal for now, will be resent separately fix compile in mem.c for one configuration only use ZONE_DMA for 64-bit embedded CPUs, on pseries an IOMMU is add a new patch to actually make the baseline amigaone config Noncoherent dma ops, and to use more generic code for the coherentĭirect mapping, as well as removing a lot of dead code.Īs this series is very large and depends on the dma-mapping tree I've This series switches the powerpc port to use the generic swiotlb and To: Benjamin Herrenschmidt, Paul Mackerras, Michael EllermanĬc: linux-arch, linux-mm, iommu, linuxppc-dev, linux-kernel ` (36 more replies) 0 siblings, 37 replies 187+ messages in threadįrom: Christoph Hellwig 8:22 UTC ( / raw) 8:22 ` powerpc: use mm zones more sensibly Christoph Hellwig Use generic DMA mapping code in powerpc V4 archive mirror help / color / mirror / Atom feed * use generic DMA mapping code in powerpc V4 8:22 Christoph Hellwig
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