From: Guenter Roeck <linux@roeck-us.net>
To: Claire Chang <tientzu@chromium.org>
Cc: Rob Herring <robh+dt@kernel.org>,
mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
boris.ostrovsky@oracle.com, jgross@suse.com,
Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
heikki.krogerus@linux.intel.com,
thomas.hellstrom@linux.intel.com, peterz@infradead.org,
dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
grant.likely@arm.com, paulus@samba.org, mingo@kernel.org,
jxgao@google.com, sstabellini@kernel.org,
Saravana Kannan <saravanak@google.com>,
xypron.glpk@gmx.de,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
bskeggs@redhat.com, linux-pci@vger.kernel.org,
xen-devel@lists.xenproject.org,
Thierry Reding <treding@nvidia.com>,
intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
linux-devicetree <devicetree@vger.kernel.org>,
airlied@linux.ie, Robin Murphy <robin.murphy@arm.com>,
Nicolas Boichat <drinkcat@chromium.org>,
rodrigo.vivi@intel.com, bhelgaas@google.com,
Dan Williams <dan.j.williams@intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Greg KH <gregkh@linuxfoundation.org>,
Randy Dunlap <rdunlap@infradead.org>,
quic_qiancai@quicinc.com, lkml <linux-kernel@vger.kernel.org>,
tfiga@chromium.org,
"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
Jim Quinlan <james.quinlan@broadcom.com>,
thomas.lendacky@amd.com, linuxppc-dev@lists.ozlabs.org,
bauerman@linux.ibm.com
Subject: Re: [PATCH v15 12/12] of: Add plumbing for restricted DMA pool
Date: Thu, 1 Jul 2021 20:08:07 -0700 [thread overview]
Message-ID: <20210702030807.GA2685166@roeck-us.net> (raw)
In-Reply-To: <20210624155526.2775863-13-tientzu@chromium.org>
Hi,
On Thu, Jun 24, 2021 at 11:55:26PM +0800, Claire Chang wrote:
> If a device is not behind an IOMMU, we look up the device node and set
> up the restricted DMA when the restricted-dma-pool is presented.
>
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> Tested-by: Stefano Stabellini <sstabellini@kernel.org>
> Tested-by: Will Deacon <will@kernel.org>
With this patch in place, all sparc and sparc64 qemu emulations
fail to boot. Symptom is that the root file system is not found.
Reverting this patch fixes the problem. Bisect log is attached.
Guenter
---
# bad: [fb0ca446157a86b75502c1636b0d81e642fe6bf1] Add linux-next specific files for 20210701
# good: [62fb9874f5da54fdb243003b386128037319b219] Linux 5.13
git bisect start 'HEAD' 'v5.13'
# bad: [f63c4fda987a19b1194cc45cb72fd5bf968d9d90] Merge remote-tracking branch 'rdma/for-next'
git bisect bad f63c4fda987a19b1194cc45cb72fd5bf968d9d90
# good: [46bb5dd1d2a63e906e374e97dfd4a5e33934b1c4] Merge remote-tracking branch 'ipsec/master'
git bisect good 46bb5dd1d2a63e906e374e97dfd4a5e33934b1c4
# good: [43ba6969cfb8185353a7a6fc79070f13b9e3d6d3] Merge remote-tracking branch 'clk/clk-next'
git bisect good 43ba6969cfb8185353a7a6fc79070f13b9e3d6d3
# good: [1ca5eddcf8dca1d6345471c6404e7364af0d7019] Merge remote-tracking branch 'fuse/for-next'
git bisect good 1ca5eddcf8dca1d6345471c6404e7364af0d7019
# good: [8f6d7b3248705920187263a4e7147b0752ec7dcf] Merge remote-tracking branch 'pci/next'
git bisect good 8f6d7b3248705920187263a4e7147b0752ec7dcf
# good: [df1885a755784da3ef285f36d9230c1d090ef186] RDMA/rtrs_clt: Alloc less memory with write path fast memory registration
git bisect good df1885a755784da3ef285f36d9230c1d090ef186
# good: [93d31efb58c8ad4a66bbedbc2d082df458c04e45] Merge remote-tracking branch 'cpufreq-arm/cpufreq/arm/linux-next'
git bisect good 93d31efb58c8ad4a66bbedbc2d082df458c04e45
# good: [46308965ae6fdc7c25deb2e8c048510ae51bbe66] RDMA/irdma: Check contents of user-space irdma_mem_reg_req object
git bisect good 46308965ae6fdc7c25deb2e8c048510ae51bbe66
# good: [6de7a1d006ea9db235492b288312838d6878385f] thermal/drivers/int340x/processor_thermal: Split enumeration and processing part
git bisect good 6de7a1d006ea9db235492b288312838d6878385f
# good: [081bec2577cda3d04f6559c60b6f4e2242853520] dt-bindings: of: Add restricted DMA pool
git bisect good 081bec2577cda3d04f6559c60b6f4e2242853520
# good: [bf95ac0bcd69979af146852f6a617a60285ebbc1] Merge remote-tracking branch 'thermal/thermal/linux-next'
git bisect good bf95ac0bcd69979af146852f6a617a60285ebbc1
# good: [3d8287544223a3d2f37981c1f9ffd94d0b5e9ffc] RDMA/core: Always release restrack object
git bisect good 3d8287544223a3d2f37981c1f9ffd94d0b5e9ffc
# bad: [cff1f23fad6e0bd7d671acce0d15285c709f259c] Merge remote-tracking branch 'swiotlb/linux-next'
git bisect bad cff1f23fad6e0bd7d671acce0d15285c709f259c
# bad: [b655006619b7bccd0dc1e055bd72de5d613e7b5c] of: Add plumbing for restricted DMA pool
git bisect bad b655006619b7bccd0dc1e055bd72de5d613e7b5c
# first bad commit: [b655006619b7bccd0dc1e055bd72de5d613e7b5c] of: Add plumbing for restricted DMA pool
next prev parent reply other threads:[~2021-07-02 3:08 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-24 15:55 [PATCH v15 00/12] Restricted DMA Claire Chang
2021-06-24 15:55 ` [PATCH v15 01/12] swiotlb: Refactor swiotlb init functions Claire Chang
2021-06-24 15:55 ` [PATCH v15 02/12] swiotlb: Refactor swiotlb_create_debugfs Claire Chang
2021-06-24 15:55 ` [PATCH v15 03/12] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used Claire Chang
2021-06-24 15:55 ` [PATCH v15 04/12] swiotlb: Update is_swiotlb_buffer to add a struct device argument Claire Chang
2021-06-24 15:55 ` [PATCH v15 05/12] swiotlb: Update is_swiotlb_active " Claire Chang
2021-06-24 15:55 ` [PATCH v15 06/12] swiotlb: Use is_swiotlb_force_bounce for swiotlb data bouncing Claire Chang
2021-06-30 1:43 ` Nathan Chancellor
2021-06-30 9:17 ` Claire Chang
2021-06-30 11:43 ` Will Deacon
2021-06-30 15:56 ` Nathan Chancellor
2021-07-01 7:40 ` Will Deacon
2021-07-01 7:52 ` Nathan Chancellor
2021-07-02 13:58 ` Will Deacon
2021-07-02 15:13 ` Robin Murphy
2021-07-03 5:55 ` Nathan Chancellor
2021-07-05 7:29 ` Claire Chang
2021-07-05 18:25 ` Nathan Chancellor
2021-07-05 19:03 ` Will Deacon
2021-07-06 4:48 ` Christoph Hellwig
2021-07-06 13:24 ` Will Deacon
2021-07-06 14:01 ` Robin Murphy
2021-07-06 14:05 ` Christoph Hellwig
2021-07-06 14:46 ` Konrad Rzeszutek Wilk
2021-07-06 16:57 ` Will Deacon
2021-07-06 16:59 ` Konrad Rzeszutek Wilk
2021-07-12 13:56 ` Will Deacon
2021-07-14 0:06 ` Konrad Rzeszutek Wilk
2021-07-06 15:39 ` Robin Murphy
2021-07-06 17:06 ` Will Deacon
2021-07-06 19:14 ` Nathan Chancellor
2021-07-08 16:44 ` Will Deacon
2021-06-24 15:55 ` [PATCH v15 07/12] swiotlb: Move alloc_size to swiotlb_find_slots Claire Chang
2021-06-24 15:55 ` [PATCH v15 08/12] swiotlb: Refactor swiotlb_tbl_unmap_single Claire Chang
2021-06-24 15:55 ` [PATCH v15 09/12] swiotlb: Add restricted DMA alloc/free support Claire Chang
2021-06-24 15:55 ` [PATCH v15 10/12] swiotlb: Add restricted DMA pool initialization Claire Chang
2021-08-24 14:26 ` Guenter Roeck
2021-08-27 3:50 ` Claire Chang
2021-08-27 6:58 ` Andy Shevchenko
2021-06-24 15:55 ` [PATCH v15 11/12] dt-bindings: of: Add restricted DMA pool Claire Chang
2021-06-24 15:55 ` [PATCH v15 12/12] of: Add plumbing for " Claire Chang
2021-07-02 3:08 ` Guenter Roeck [this message]
2021-07-02 11:39 ` Robin Murphy
2021-07-02 13:18 ` Will Deacon
2021-07-02 13:48 ` Guenter Roeck
2021-06-24 19:19 ` [PATCH v15 00/12] Restricted DMA Konrad Rzeszutek Wilk
2021-06-25 0:41 ` Claire Chang
2021-06-25 12:30 ` Will Deacon
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