Re: [PATCH v5 2/7] x86/msr: add wrmsrq_on_cpus helper

[Dave Hansen]

On 5/28/26 12:37, Kalra, Ashish wrote:
> A simple loop would be perfectly fine and avoids the need for the wrmsrq_on_cpus() helper entirely:
> 
>   for_each_cpu(cpu, &rmpopt_cpumask)
>       wrmsrq_on_cpu(cpu, MSR_AMD64_RMPOPT_BASE, rmpopt_base);

I'm glad we're on the same page finally. I just hope we can get to this
point more quickly next time. I started off with exactly this
suggestion, but someone chimed in to the thread and said it was "slower":

> https://lore.kernel.org/lkml/6a50d050-f602-43fd-a44a-cecedd9823eb@xxxxxxx/