-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, On Jan 19, 2010, at 1:57 PM, David Young wrote:
On Tue, Jan 19, 2010 at 12:57:57PM +0100, Manuel Bouyer wrote:On Tue, Jan 19, 2010 at 12:50:55PM +0100, Christoph Egger wrote:Why are the *FIXUP options disabled by default in x86 kernels?Because on some systems it reprograms the BARs in a way which doesn't work. I'm not sure the kernel can do this in a reasonable and safe way anyway, it would need detailled knowledge of the hardware, which may not be available.What detailed knowledge do you have in mind?
Some machines have hardware registers, ROM etc. overlap with PCI space which don't show up in any BAR.
have fun Michael -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (Darwin) iQEVAwUBS1YsHspnzkX8Yg2nAQLTIQf/XzfW0qW+wRso/MkINFmek/2UlcTbTw9R oDqe7+es+Cf/yhovJOvNvy6g/A0ZYuwZR/azoSuMVZ+zTDYU+GgGEM4BWvF9EVkM 6frW4dMg/GxZ6fx3/+61O/jMcYXAPtXvjmZgdQKxJIeE6YsYj45Tb9FIwcjzZhQD UL6JoEaeFAK3JCWPpRQlkczCPU3sffjnv9eblfekCRd3Uyvg+BsKYw5gwq67xkRX niHH5F5bnd6jRu+MZdE/NrH3fLNmvuctSTe8th1xgjLEfNIHp0gx0csyXIc5VAxo A5saRrNnxgT5sfVtUK1vVkJZa210/f/Yt1zPw1usZJtl7k5hk9x7cA== =r85E -----END PGP SIGNATURE-----