[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] x86/msr: Fix fallout from mostly c/s 832c180
On Tue, Apr 09, 2019 at 06:53:47PM +0100, Andrew Cooper wrote: > The series 832c1803^..f61685a6 was committed without adequate review. > > * Fix the shim build by providing a !CONFIG_HVM declaration for > hvm_get_guest_bndcfgs() > * Revert the bogus de-const'ing of the vcpu pointer in > vmx_get_guest_bndcfgs(). vmx_vmcs_enter() really does mutate the vcpu, and > may cause it to undergo a full de/reschedule, which is in violation of the > ABI described by hvm_get_guest_bndcfgs(). guest_rdmsr() was always going > to need to lose its const parameter, and this was the correct time for it > to happen. Enlighten me -- why does guest_rdmsr need to lose its const parameter? This reads as if the code was buggy from the get-go. Wei. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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