From: Xu Yilun <yilun.xu@linux.intel.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>,
linux-coco@lists.linux.dev, linux-pci@vger.kernel.org,
gregkh@linuxfoundation.org, aik@amd.com, bhelgaas@google.com,
alistair23@gmail.com, lukas@wunner.de, jgg@nvidia.com,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH v2 10/19] x86, swiotlb: Teach swiotlb to skip "accepted" devices
Date: Fri, 13 Mar 2026 18:26:14 +0800 [thread overview]
Message-ID: <abPmRsJ7cvLJ272k@yilunxu-OptiPlex-7050> (raw)
In-Reply-To: <yq5ah5qx9t77.fsf@kernel.org>
> > @@ -365,6 +365,7 @@ void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags,
> >
> > io_tlb_default_mem.force_bounce =
> > swiotlb_force_bounce || (flags & SWIOTLB_FORCE);
> > + io_tlb_default_mem.bounce_unaccepted = flags & SWIOTLB_UNACCEPTED;
> >
>
> This should be.
>
> @@ -373,7 +373,7 @@ void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags,
>
> io_tlb_default_mem.force_bounce =
> swiotlb_force_bounce || (flags & SWIOTLB_FORCE);
> - io_tlb_default_mem.bounce_unaccepted = flags & SWIOTLB_UNACCEPTED;
> + io_tlb_default_mem.bounce_unaccepted = !!(flags & SWIOTLB_UNACCEPTED);
Ah yes, I just realized assigning to a 1-bit field would truncate the
assigned value to its LSB...
next prev parent reply other threads:[~2026-03-13 10:46 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-03 0:01 [PATCH v2 00/19] PCI/TSM: TEE I/O infrastructure Dan Williams
2026-03-03 0:01 ` [PATCH v2 01/19] PCI/TSM: Report active IDE streams per host bridge Dan Williams
2026-03-09 16:36 ` Jonathan Cameron
2026-04-07 16:02 ` Xu Yilun
2026-03-03 0:01 ` [PATCH v2 02/19] device core: Fix kernel-doc warnings in base.h Dan Williams
2026-03-09 16:39 ` Jonathan Cameron
2026-03-12 14:45 ` Greg KH
2026-03-03 0:01 ` [PATCH v2 03/19] device core: Introduce confidential device acceptance Dan Williams
2026-03-09 16:42 ` Jonathan Cameron
2026-03-12 14:44 ` Greg KH
2026-03-13 4:11 ` Dan Williams
2026-03-13 12:18 ` Greg KH
2026-03-13 18:53 ` Dan Williams
2026-03-13 19:07 ` Jason Gunthorpe
2026-03-13 13:32 ` Jason Gunthorpe
2026-03-13 19:56 ` Dan Williams
2026-03-13 20:24 ` Jason Gunthorpe
2026-03-14 1:32 ` Dan Williams
2026-03-23 18:14 ` Jason Gunthorpe
2026-03-24 2:18 ` Dan Williams
2026-03-24 12:36 ` Jason Gunthorpe
2026-03-25 4:13 ` Dan Williams
2026-03-25 11:56 ` Jason Gunthorpe
2026-03-26 1:27 ` Dan Williams
2026-03-26 12:00 ` Jason Gunthorpe
2026-03-26 15:00 ` Greg KH
2026-03-26 18:31 ` Dan Williams
2026-03-26 19:28 ` Jason Gunthorpe
2026-03-03 0:01 ` [PATCH v2 04/19] modules: Document the global async_probe parameter Dan Williams
2026-03-03 0:01 ` [PATCH v2 05/19] device core: Autoprobe considered harmful? Dan Williams
2026-03-09 16:58 ` Jonathan Cameron
2026-03-03 0:01 ` [PATCH v2 06/19] PCI/TSM: Add Device Security (TVM Guest) LOCK operation support Dan Williams
2026-03-03 0:01 ` [PATCH v2 07/19] PCI/TSM: Add Device Security (TVM Guest) ACCEPT " Dan Williams
2026-03-03 7:15 ` Baolu Lu
2026-04-10 8:44 ` Lai, Yi
2026-04-10 8:53 ` Lai, Yi
2026-03-03 0:01 ` [PATCH v2 08/19] PCI/TSM: Add "evidence" support Dan Williams
2026-03-03 3:14 ` kernel test robot
2026-03-03 10:16 ` Aneesh Kumar K.V
2026-03-03 16:38 ` Aneesh Kumar K.V
2026-03-13 10:07 ` Xu Yilun
2026-03-13 18:06 ` Dan Williams
2026-03-14 18:12 ` Jakub Kicinski
2026-03-17 1:45 ` Dan Williams
2026-03-19 0:00 ` Jakub Kicinski
2026-03-20 2:50 ` Dan Williams
2026-03-17 18:14 ` Lukas Wunner
2026-03-18 7:56 ` Dan Williams
2026-03-23 18:18 ` Jason Gunthorpe
2026-03-14 18:37 ` Lukas Wunner
2026-03-16 20:13 ` Dan Williams
2026-03-16 23:02 ` Dan Williams
2026-03-17 14:13 ` Lukas Wunner
2026-03-18 7:22 ` Dan Williams
2026-03-17 18:24 ` Lukas Wunner
2026-03-18 7:41 ` Dan Williams
2026-04-24 10:15 ` Aneesh Kumar K.V
2026-03-03 0:01 ` [PATCH v2 09/19] PCI/TSM: Support creating encrypted MMIO descriptors via TDISP Report Dan Williams
2026-03-04 17:14 ` dan.j.williams
2026-03-13 9:57 ` Xu Yilun
2026-03-05 4:46 ` Aneesh Kumar K.V
2026-03-13 10:23 ` Xu Yilun
2026-03-13 13:36 ` Jason Gunthorpe
2026-03-17 5:13 ` Xu Yilun
2026-03-24 3:26 ` Dan Williams
2026-03-24 12:38 ` Jason Gunthorpe
2026-04-09 7:48 ` Aneesh Kumar K.V
2026-03-16 5:19 ` Alexey Kardashevskiy
2026-03-23 18:20 ` Jason Gunthorpe
2026-03-26 23:38 ` Alexey Kardashevskiy
2026-03-27 11:49 ` Jason Gunthorpe
2026-03-30 5:47 ` Alexey Kardashevskiy
2026-03-30 11:49 ` Jason Gunthorpe
2026-04-03 12:41 ` Alexey Kardashevskiy
2026-04-03 14:08 ` Jason Gunthorpe
2026-04-06 22:08 ` Alexey Kardashevskiy
2026-04-06 22:21 ` Jason Gunthorpe
2026-04-08 7:03 ` Alexey Kardashevskiy
2026-04-08 16:54 ` Jason Gunthorpe
2026-04-08 22:22 ` Alexey Kardashevskiy
2026-04-08 23:56 ` Jason Gunthorpe
2026-03-03 0:01 ` [PATCH v2 10/19] x86, swiotlb: Teach swiotlb to skip "accepted" devices Dan Williams
2026-03-03 9:07 ` Aneesh Kumar K.V
2026-03-13 10:26 ` Xu Yilun [this message]
2026-04-09 7:33 ` Aneesh Kumar K.V
2026-03-03 0:01 ` [PATCH v2 11/19] x86, dma: Allow accepted devices to map private memory Dan Williams
2026-03-03 7:36 ` Alexey Kardashevskiy
2026-03-03 0:02 ` [PATCH v2 12/19] x86, ioremap, resource: Support IORES_DESC_ENCRYPTED for encrypted PCI MMIO Dan Williams
2026-03-19 15:34 ` Borislav Petkov
2026-03-03 0:02 ` [PATCH v2 13/19] samples/devsec: Introduce a PCI device-security bus + endpoint sample Dan Williams
2026-03-03 0:02 ` [PATCH v2 14/19] samples/devsec: Add sample IDE establishment Dan Williams
2026-03-03 0:02 ` [PATCH v2 15/19] samples/devsec: Add sample TSM bind and guest_request flows Dan Williams
2026-03-03 0:02 ` [PATCH v2 16/19] samples/devsec: Introduce a "Device Security TSM" sample driver Dan Williams
2026-03-27 8:44 ` Lai, Yi
2026-03-03 0:02 ` [PATCH v2 17/19] tools/testing/devsec: Add a script to exercise samples/devsec/ Dan Williams
2026-03-03 0:02 ` [PATCH v2 18/19] samples/devsec: Add evidence support Dan Williams
2026-03-03 0:02 ` [PATCH v2 19/19] tools/testing/devsec: Add basic evidence retrieval validation Dan Williams
2026-03-03 9:23 ` [PATCH v2 00/19] PCI/TSM: TEE I/O infrastructure Aneesh Kumar K.V
2026-03-03 22:01 ` dan.j.williams
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