Messages in this thread | | | Date | Fri, 05 Sep 2008 22:38:33 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [x86] fs, gs purpose & multicore prog |
| |
Eric Lacombe wrote: > I know these things ;) but what I wanted to know is the "x86 architectural > details". In fact, I saw that during the machine init the BIOS select a cpu on > the bus to be the BSP (bootstrap proc). The others are then the APs (Appli > proc). Then the kernel runs on the BSP. What I wonder is how the kernel gives > execution flow to the APs. >
See arch/x86/kernel/smpboot.c (esp do_boot_cpu()), and chapter 7 of "Intel® 64 and IA-32 Architectures Software Developer’s Manual", volume 3a.
J -- 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/
| |