Messages in this thread | | | Date | Wed, 12 Apr 2006 08:06:32 -0700 | From | Ian Romanick <> | Subject | Re: Special handling of sysfs device resource files? |
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Paul Mackerras wrote: > Ian Romanick writes: > >>This seems to mostly work, but I am having one problem. I map the >>region by opening the file with O_RDWR, then mmap with >>(PROT_READ|PROT_WRITE) and MAP_SHARED. In all cases, the open and mmap >>succeed. However, for I/O BARs, the resulting pointer from mmap is >>invalid. Any access to it results in a segfault and GDB says it's "out >>of range". > > On which architecture(s)?
I've only tried on x86-64 (an Athlon64 3000+ to be exact) so far. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.1 (GNU/Linux)
iD8DBQFEPRd4X1gOwKyEAw8RAhdxAKCX9Y/ju2jK7q5Wdzmb9kfwt9T3lwCbBwrq BIRJkEIGqSOrXtkDC3/2Fts= =mePG -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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