From: Leon Romanovsky <leon@kernel.org>
To: Magnus Lindholm <linmag7@gmail.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Andreas Larsson <andreas@gaisler.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"David S. Miller" <davem@davemloft.net>,
Geoff Levand <geoff@infradead.org>, Helge Deller <deller@gmx.de>,
Ingo Molnar <mingo@redhat.com>,
iommu@lists.linux.dev,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Jason Wang <jasowang@redhat.com>, Juergen Gross <jgross@suse.com>,
linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Matt Turner <mattst88@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
"Michael S. Tsirkin" <mst@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
sparclinux@vger.kernel.org,
Stefano Stabellini <sstabellini@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
virtualization@lists.linux.dev, x86@kernel.org,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH 1/9] alpha: Convert mapping routine to rely on physical address
Date: Tue, 23 Sep 2025 20:18:19 +0300 [thread overview]
Message-ID: <20250923171819.GM10800@unreal> (raw)
In-Reply-To: <CA+=Fv5Q8dVUFVBh82mAe=fy3mV6mWtQT_0pBPLQwLNBt3f8E1g@mail.gmail.com>
On Mon, Sep 22, 2025 at 11:04:06PM +0200, Magnus Lindholm wrote:
> On Thu, Sep 18, 2025 at 8:45 PM Leon Romanovsky <leon@kernel.org> 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.
>
>
> Hi,
>
> SInce this patch affects the Alpha platform I got curious and decided to
> try it out. The patch series requires some preparatory patches. Leon
> provided me with links to his dmabuf-vfio branch, which had the
> patches (and some prerequisite stuff) applied already.
>
> Based on the dmabuf-vfio branch, I've built a kernel and tested it on
> my ES40 Alphaserver, the kernel booted fine but after a while of
> moderate filesystem load I started seeing some ext3/4 related error
> messages in the system logs. Rebooting with my old kernel into
> single user mode, I was able to recover the filesystem using fsck.
> Clearly this set of patches breaks things (at least on Alpha).
I will try to setup Alpha architecture in QEMU in following days, but
would like to ask first. Did you test alpha on clean v6.17-rc5 (without
my patches) as a reference?
Thanks
next prev parent reply other threads:[~2025-09-23 17:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-18 18:45 [PATCH 0/9] Remove DMA .map_page and .unmap_page callbacks Leon Romanovsky
2025-09-18 18:45 ` [PATCH 1/9] alpha: Convert mapping routine to rely on physical address Leon Romanovsky
2025-09-22 21:04 ` Magnus Lindholm
2025-09-23 17:18 ` Leon Romanovsky [this message]
2025-09-23 19:34 ` Magnus Lindholm
2025-09-23 23:53 ` Jason Gunthorpe
2025-09-24 7:32 ` Magnus Lindholm
2025-09-27 19:20 ` Magnus Lindholm
2025-09-28 10:23 ` Magnus Lindholm
2025-09-28 10:54 ` Leon Romanovsky
2025-09-28 11:27 ` Magnus Lindholm
2025-09-28 11:58 ` Leon Romanovsky
2025-09-18 18:45 ` [PATCH 2/9] MIPS/jazzdma: Provide physical address directly Leon Romanovsky
2025-09-18 18:45 ` [PATCH 3/9] parisc: Convert DMA map_page to map_phys interface Leon Romanovsky
2025-09-18 18:45 ` [PATCH 4/9] powerpc: Convert to physical address DMA mapping Leon Romanovsky
2025-09-18 18:45 ` [PATCH 5/9] sparc64: Use " Leon Romanovsky
2025-09-18 18:45 ` [PATCH 6/9] x86: Use physical address for " Leon Romanovsky
2025-09-18 18:45 ` [PATCH 7/9] vdpa: Convert to physical address " Leon Romanovsky
2025-09-18 18:45 ` [PATCH 8/9] xen: swiotlb: Convert mapping routine to rely on physical address Leon Romanovsky
2025-09-18 18:45 ` [PATCH 9/9] dma-mapping: remove unused map_page callback Leon Romanovsky
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