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    SubjectRe: [PATCH] x86_64: Reload CS when startup_64 is used.
    Date
    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
    -
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