Re: [RFC PATCH v1 01/15] x86/msr: Replace __wrmsr() with native_wrmsrl()

From: Dave Hansen
Date: Wed Apr 02 2025 - 11:41:32 EST


On 3/31/25 22:53, Xin Li wrote:
> Per "struct msr" defined in arch/x86/include/asm/shared/msr.h:
>
> struct msr {
>         union {
>                 struct {
>                         u32 l;
>                         u32 h;
>                 };
>                 u64 q;
>         };
> };
>
> Probably *msrq() is what we want?

What would folks think about "wrmsr64()"? It's writing a 64-bit value to
an MSR and there are a lot of functions in the kernel that are named
with the argument width in bits.