--- Ingo Molnar <[EMAIL PROTECTED]> wrote: > > * Jon Smirl <[EMAIL PROTECTED]> wrote: > > > Previously all of the IOCTL calls were protected by the Big Kernel > > Lock. If we break that aren't we allowing multiple callers into the > > IOCTL code on SMP machines that weren't allowed in before? Doesn't > > that mean that we have to check everything to make sure it is SMP > > safe? > > as Alan mentioned it before, the BKL did not protect much, since the DRM > code was freely doing copying from and to userspace, and hence dropping > the BKL at those places. > Add sleeping(usleep) to this list, no? The big Q I have is why are IOCTL's protected by the BKL if it gets droped so easily?
> but yes, best would be to drop the BKL as soon as possible and check > everything. > By check everything, you mean make sure shared resources(memory) are used safely? > Ingo > > > ------------------------------------------------------- > SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media > 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 > Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. > http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 > -- > _______________________________________________ > Dri-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/dri-devel > _______________________________ Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! Enter now. http://promotions.yahoo.com/goldrush ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
