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| author | jhb <jhb@FreeBSD.org> | 2009-03-23 19:27:23 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2009-03-23 19:27:23 +0000 |
| commit | 2a133f1d037766e0cac65a70ebbda47d5b2afa33 (patch) | |
| tree | b64f02976be232967b0adf254d52948ee9618975 /sys/kern/subr_rtc.c | |
| parent | 2ebb70aa7f501fece85c61a8cc45d77bfb869e7d (diff) | |
| download | FreeBSD-src-2a133f1d037766e0cac65a70ebbda47d5b2afa33.zip FreeBSD-src-2a133f1d037766e0cac65a70ebbda47d5b2afa33.tar.gz | |
Reenable 64-bit DMA for twa(4) controllers, but use a boundary of 4GB to
prevent individual transactions from crossing a 4GB address boundary. Due
to bus_size_t type limitations, the driver uses a 2GB boundary in PAE
kernels.
Reviewed by: scottl
MFC after: 1 week
Diffstat (limited to 'sys/kern/subr_rtc.c')
0 files changed, 0 insertions, 0 deletions
