Re: [PATCH v1 1/9] alpha: Convert mapping routine to rely on physical address
From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2025-10-03 14:47:58
Also in:
linux-alpha, linux-iommu, linux-mips, lkml, sparclinux, virtualization, xen-devel
On Sun, Sep 28, 2025 at 06:02:21PM +0300, Leon Romanovsky wrote:
From: Leon Romanovsky <leonro@nvidia.com> Alpha doesn't need struct *page and can perform mapping based on physical addresses. So convert it to implement new .map_phys callback. As part of this change, remove useless BUG_ON() as DMA mapping layer ensures that right direction is provided. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> --- arch/alpha/kernel/pci_iommu.c | 48 +++++++++++++++-------------------- 1 file changed, 21 insertions(+), 27 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Jason