Re: [PATCH v1 4/9] powerpc: Convert to physical address DMA mapping
From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2025-10-03 16:35:19
Also in:
linux-alpha, linux-iommu, linux-mips, lkml, sparclinux, virtualization, xen-devel
On Sun, Sep 28, 2025 at 06:02:24PM +0300, Leon Romanovsky wrote:
From: Leon Romanovsky <leonro@nvidia.com> Adapt PowerPC DMA to use physical addresses in order to prepare code to removal .map_page and .unmap_page. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> --- arch/powerpc/include/asm/iommu.h | 8 +++--- arch/powerpc/kernel/dma-iommu.c | 22 +++++++--------- arch/powerpc/kernel/iommu.c | 14 +++++----- arch/powerpc/platforms/ps3/system-bus.c | 33 ++++++++++++++---------- arch/powerpc/platforms/pseries/ibmebus.c | 15 ++++++----- arch/powerpc/platforms/pseries/vio.c | 21 ++++++++------- 6 files changed, 60 insertions(+), 53 deletions(-)
I think this is good enough for PPC anything more looks quite hard Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Jason