Messages in this thread Patch in this message | | | Date | Tue, 13 Mar 2007 10:15:19 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH 8/8] Convert PDA into the percpu section |
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Rusty Russell wrote: > + pack_descriptor((u32 *)&gdt[GDT_ENTRY_PERCPU].a, > + (u32 *)&gdt[GDT_ENTRY_PERCPU].b, > + __per_cpu_offset[cpu], 0xFFFFF, > 0x80 | DESCTYPE_S | 0x2, 0); /* present read-write data segment */ >
Why testing with qemu is not enough.
diff -r 8dcd1dc9b298 arch/i386/kernel/cpu/common.c --- a/arch/i386/kernel/cpu/common.c Tue Mar 13 00:33:37 2007 -0700 +++ b/arch/i386/kernel/cpu/common.c Tue Mar 13 08:33:42 2007 -0700 @@ -627,7 +627,7 @@ __cpuinit void init_gdt(int cpu, struct pack_descriptor((u32 *)&gdt[GDT_ENTRY_PERCPU].a, (u32 *)&gdt[GDT_ENTRY_PERCPU].b, __per_cpu_offset[cpu], 0xFFFFF, - 0x80 | DESCTYPE_S | 0x2, 0); /* present read-write data segment */ + 0x80 | DESCTYPE_S | 0x2, 0x8); /* present read-write data segment, G */ per_cpu(this_cpu_off, cpu) = __per_cpu_offset[cpu]; per_cpu(cpu_number, cpu) = cpu; #endif /* SMP*/ 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/
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