Re: [PATCH] x86/msr: Rework wrmsr_safe() using asm goto()

[Jan Beulich <jbeulich@xxxxxxxx>]

On 21.05.2025 16:36, Andrew Cooper wrote:
> This avoids needing to hold rc in a register across the WRMSR, and in most
> cases removes direct testing and branching based on rc, as the fault label can
> be rearranged to directly land on the out-of-line block.
> 
> No functional change.
> 
> Resolves: https://gitlab.com/xen-project/xen/-/work_items/214
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>