Subject: re: Patches for EST and SMP
To: None <M.Drochner@fz-juelich.de>
From: matthew green <mrg@eterna.com.au>
List: tech-kern
Date: 03/20/2007 07:29:23
juan@xtrarom.org said:
> +#define X86_IPI_READ_MSR 0x00000080
> +#define X86_IPI_WRITE_MSR 0x00000100
Instead of wasting a bit for each rarely used function, wouldn't it
be better to add a generic handler once and for all, as FreeBSD's
rendez-vous thing?
FWIW, the sparc SMP code has two types of IPI's. fast ones that
call specific handlers, and a generic "function + 3 args" call.
.mrg.