Lu Baolu 984d03adc9 iommu/vt-d: trace: Extend map_sg trace event
Current map_sg stores trace message in a coarse manner. This
extends it so that more detailed messages could be traced.

The map_sg trace message looks like:

map_sg: dev=0000:00:17.0 [1/9] dev_addr=0xf8f90000 phys_addr=0x158051000 size=4096
map_sg: dev=0000:00:17.0 [2/9] dev_addr=0xf8f91000 phys_addr=0x15a858000 size=4096
map_sg: dev=0000:00:17.0 [3/9] dev_addr=0xf8f92000 phys_addr=0x15aa13000 size=4096
map_sg: dev=0000:00:17.0 [4/9] dev_addr=0xf8f93000 phys_addr=0x1570f1000 size=8192
map_sg: dev=0000:00:17.0 [5/9] dev_addr=0xf8f95000 phys_addr=0x15c6d0000 size=4096
map_sg: dev=0000:00:17.0 [6/9] dev_addr=0xf8f96000 phys_addr=0x157194000 size=4096
map_sg: dev=0000:00:17.0 [7/9] dev_addr=0xf8f97000 phys_addr=0x169552000 size=4096
map_sg: dev=0000:00:17.0 [8/9] dev_addr=0xf8f98000 phys_addr=0x169dde000 size=4096
map_sg: dev=0000:00:17.0 [9/9] dev_addr=0xf8f99000 phys_addr=0x148351000 size=4096

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-01-07 14:05:57 +01:00
2019-12-09 10:36:44 -08:00
2019-10-29 04:43:29 -06:00
2019-12-22 17:02:23 -08:00

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.
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