Gentle ping.
We want to upstream a patch testing all MSRs interceptable by SVM.
Without this fix, the values of registers RCX & RDX used by the instructions RDMSR & WRMSR cannot be inspected after #VMEXIT using "struct regs".
Regards,
William
> -----Original Message-----
> From: kvm-owner@xxxxxxxxxxxxxxx <kvm-owner@xxxxxxxxxxxxxxx> On Behalf Of Tambe, William
> Sent: Monday, October 15, 2018 3:46 PM
> To: kvm@xxxxxxxxxxxxxxx
> Subject: [kvm-unit-tests PATCH] x86: svm: Fix incorrect ordering within struct regs
>
> "struct regs" is used within x86/svm.c to describe
> the memory region where SAVE_GPR_C saves registers.
>
> The ordering within "struct regs" must be corrected
> so that it matches how SAVE_GPR_C stores registers.
>
> Signed-off-by: William Tambe <william.tambe@xxxxxxx>
> ---
> x86/svm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/x86/svm.c b/x86/svm.c
> index 701ab2f..bc0396d 100644
> --- a/x86/svm.c
> +++ b/x86/svm.c
> @@ -199,9 +199,9 @@ static void test_thunk(struct test *test)
>
> struct regs {
> u64 rax;
> + u64 rbx;
> u64 rcx;
> u64 rdx;
> - u64 rbx;
> u64 cr2;
> u64 rbp;
> u64 rsi;
> --
> 2.17.1
