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Filename Latest commit message Latest commit date
Yanfei Xu 38269b9ec8 iommu/vt-d: Fix to flush cache of PASID directory table
[ Upstream commit 8a3b8e63f8371c1247b7aa24ff9c5312f1a6948b ]

Even the PCI devices don't support pasid capability, PASID table is
mandatory for a PCI device in scalable mode. However flushing cache
of pasid directory table for these devices are not taken after pasid
table is allocated as the "size" of table is zero. Fix it by
calculating the size by page order.

Found this when reading the code, no real problem encountered for now.

Fixes: 194b3348bdbb ("iommu/vt-d: Fix PASID directory pointer coherency")
Suggested-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Yanfei Xu <yanfei.xu@intel.com>
Link: https://lore.kernel.org/r/20230616081045.721873-1-yanfei.xu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-23 10:59:50 +02:00
arch x86/APM: drop the duplicate APM_MINOR_DEV macro 2023-09-23 10:59:50 +02:00
block
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Documentation
drivers iommu/vt-d: Fix to flush cache of PASID directory table 2023-09-23 10:59:50 +02:00
fs NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-09-23 10:59:48 +02:00
include dma-buf/sync_file: Fix docs syntax 2023-09-23 10:59:50 +02:00
init
ipc
kernel audit: fix possible soft lockup in __audit_inode_child() 2023-09-23 10:59:46 +02:00
lib
LICENSES
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net netrom: Deny concurrent connect(). 2023-09-23 10:59:43 +02:00
samples
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security smackfs: Prevent underflow in smk_set_cipso() 2023-09-23 10:59:46 +02:00
sound ALSA: ac97: Fix possible error value of *rac97 2023-09-23 10:59:46 +02:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.