On 07/20/2015 05:31 PM, Andy Lutomirski wrote: > On Jul 20, 2015 1:35 AM, "Florian Weimer" <fweimer@xxxxxxxxxx> wrote: >> >> On 07/18/2015 01:33 AM, Andy Lutomirski wrote: >> >>> I think the API should be "set gsbase to x + y*(cpu number)". On >>> x86_64, userspace just allocates a big swath of virtual space and >>> populates it as needed. >> >> This will break WINE and similar applications which use %gs today. > > Presumably WINE could just opt not to use this facility, just like > WINE will have to opt out of whatever the enterprise people who want > WRGSBASE were thinking of doing with it. How is this possible if it's process-global attribute and glibc or some library in the process starts using it? -- Florian Weimer / Red Hat Product Security -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
