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author | Yijing Wang <[email protected]> | 2013-08-26 16:33:06 +0800 |
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committer | Bjorn Helgaas <[email protected]> | 2013-08-26 14:49:28 -0600 |
commit | 5895af79158a55562753f7f05762f3bd766d32b9 (patch) | |
tree | 39eecfd0c9fa8c4963ec081ea171977e05b5b0b9 /fs/jbd/commit.c | |
parent | 3315472c474af8e1c2beb40d980dfc92f03e4d8e (diff) |
PCI: Warn if unsafe MPS settings detected
If a BIOS configures MPS incorrectly, devices may not work normally.
For example, if a bridge has MPS set larger than an endpoint below it,
the endpoint may discard packets.
To help diagnose this issue, print a warning if we find an endpoint
MPS setting different than that of the upstream bridge.
[bhelgaas: changelog, "bridge" temporary, warning text]
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=60799
Reported-by: Joe Jin <[email protected]>
Signed-off-by: Yijing Wang <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: Jon Mason <[email protected]>
Diffstat (limited to 'fs/jbd/commit.c')
0 files changed, 0 insertions, 0 deletions