Messages in this thread | | | Date | Fri, 25 May 2007 22:10:13 -0400 | From | Jeff Dike <> | Subject | Re: Current utrace breaks UML |
| |
On Fri, May 25, 2007 at 06:35:13PM -0700, Roland McGrath wrote: > Oops! I overlooked the need to preserve the orig_eax value, though its > necessity is obvious. This makes me wonder about those previous > reports that UML was working OK.
The one from me was on x86_64, where PTRACE_SYSEMU isn't an issue yet.
> I've fixed this in the latest utrace patch set. I also wired up > sysemu on x86_64. This means 32-bit processes calling ptrace now > support it for full compatibility with native i386, which the vanilla > kernel does not. It also means it works for 64-bit ptrace calls, > whether operating on a 64-bit or a 32-bit target process.
Beautiful!
Jeff
-- Work email - jdike at linux dot intel dot com - 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/
| |