On 04/07/2013 09:34 AM, H. Peter Anvin wrote: > On 04/07/2013 06:33 AM, Borislav Petkov wrote: >> looks like we haven't whacked all the moles - I keep seeing this when >> testing 32-bit builds in qemu on latest Linus + tip. I'd guess this is >> still that /dev/mem accessing thing called wdm. >> >> I'm still wondering though whether we should BUG_ON on a /dev/mem >> access? > > We shouldn't, no. /dev/mem really needs to be fixed along a bunch of > axes. Yes, it is privileged and extra creepy, but it should either work > or it should fail cleanly.
I've got a set sitting around collecting dust that I've got to post. It should at least restore sanity for /dev/mem on x86. I'll have it out for some initial review tomorrow. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
