[PATCH] cpu/msr: skip read-only MCG_CAP MSR

[Colin Ian King]

On 20/06/2019 04:40, Alex Hung wrote:
> Signed-off-by: Alex Hung <alex.hung at canonical.com>
> ---
>  src/cpu/msr/msr.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/src/cpu/msr/msr.c b/src/cpu/msr/msr.c
> index 69fd80c8..2cd51e5c 100644
> --- a/src/cpu/msr/msr.c
> +++ b/src/cpu/msr/msr.c
> @@ -265,7 +265,10 @@ static const msr_info AMD_MSRs[] = {
>  	{ "SYSENTER_ESP",		0x00000175,	0xffffffffffffffffULL, NULL },
>  	{ "SYSENTER_EIP",		0x00000176,	0xffffffffffffffffULL, NULL },
>  	 */
> +	 /*
> +	  * MCG_CAP is read-only and can differ from core to core
>  	{ "MCG_CAP",			0x00000179,	0x0000000001ff0fffULL, NULL },
> +	  */
>  	{ "MCG_STATUS",			0x0000017a,	0xffffffffffffffffULL, NULL },
>  	{ "MCG_CTL",			0x0000017b,	0xffffffffffffffffULL, NULL },
>  	{ "MTRR_PHYSBASE0",		0x00000200,	0xffffffffffffffffULL, NULL },
> 
Good catch.

Acked-by: Colin Ian King <colin.king at canonical.com>