Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [PATCH] x86_64: Reload CS when startup_64 is used. | Date | Tue, 22 Aug 2006 03:20:54 -0600 |
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Andi Kleen <ak@suse.de> writes:
> On Tue, 22 Aug 2006 02:37:44 -0600 > ebiederm@xmission.com (Eric W. Biederman) wrote: > >> >> In long mode the %cs is largely a relic. However there are a few cases >> like lret > > You mean iret?
Yes, sorry.
> >> + * jump. In addition we need to ensure %cs is set so we make this >> + * a far return. >> */ >> movq initial_code(%rip),%rax >> - jmp *%rax >> + pushq $__KERNEL_CS >> + pushq %rax >> + lretq > > Ok merged thanks > > -Andi - 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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