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| author | hselasky <hselasky@FreeBSD.org> | 2013-01-07 16:38:13 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2013-01-07 16:38:13 +0000 |
| commit | df2c4939a02300f9c4d66e1a38553e5743cbb5f9 (patch) | |
| tree | 6a5314d1312ee8e805f8701118adb8f381c36cf4 /lib/csu | |
| parent | 947a420026628a814c3e461f9105d7bfeb6333e3 (diff) | |
| download | FreeBSD-src-df2c4939a02300f9c4d66e1a38553e5743cbb5f9.zip FreeBSD-src-df2c4939a02300f9c4d66e1a38553e5743cbb5f9.tar.gz | |
Optimise the XHCI interrupt handling.
This patch will save CPU time when the XHCI interrupt is
shared with other devices.
Only check event rings when interrupt bits are set.
Otherwise would indicate hiding possible hardware fault(s).
Tested by: sos @
Submitted by: sos @
MFC after: 1 week
Diffstat (limited to 'lib/csu')
0 files changed, 0 insertions, 0 deletions
