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Eli Cohen b35ccebe3e vdpa/mlx5: Restore the hardware used index after change map
When a change of memory map occurs, the hardware resources are destroyed
and then re-created again with the new memory map. In such case, we need
to restore the hardware available and used indices. The driver failed to
restore the used index which is added here.

Also, since the driver also fails to reset the available and used
indices upon device reset, fix this here to avoid regression caused by
the fact that used index may not be zero upon device reset.

Fixes: 1a86b377aa ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20210204073618.36336-1-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2021-02-05 10:28:04 -05:00
arch powerpc fixes for 5.11 #4 2021-01-17 12:28:58 -08:00
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drivers vdpa/mlx5: Restore the hardware used index after change map 2021-02-05 10:28:04 -05:00
fs Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-01-17 12:16:47 -08:00
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lib Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-01-17 12:16:47 -08:00
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mm mm: don't put pinned pages into the swap cache 2021-01-17 12:08:04 -08:00
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security dump_common_audit_data(): fix racy accesses to ->d_name 2021-01-16 15:11:35 -05:00
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tools perf tools fixes for 5.11: 2021-01-17 13:14:46 -08:00
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Makefile Linux 5.11-rc4 2021-01-17 16:37:05 -08:00
README

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.