on 28/11/2011 02:59 Ryan Stone said the following: > On Sun, Nov 27, 2011 at 6:42 PM, Andriy Gapon <a...@freebsd.org> wrote: >> >> Looks like clang has found a real issue here: >> /usr/src/sys/x86/x86/local_apic.c:311:2: warning: array index of '-16' >> indexes >> before the beginning of the array [-Warray-bounds] >> lapics[apic_id].la_ioint_irqs[IDT_DTRACE_RET - APIC_IO_INTS] = >> IRQ_DTRACE_RET; > > Hm, so as far as I can tell the DTrace-related code in local_apic.c is > bogus. DTrace's interrupt vectors are 32 and 33, which aren't I/O > vectors, so local_apic.c shouldn't need to know anything about them. > I think that the right fix is to remove all of it from local_apic.c.
I think that those vectors fall into a range designated for PIC interrupts. sys/i386/include/apicvar.h has a nice illustration. -- Andriy Gapon _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
