Re: [PATCH?] uprobes: change uprobe_write_opcode() to modify the page directly

Oleg Nesterov
2013-12-03T20:38:24Z

On 12/03, H. Peter Anvin wrote:
>
> On 12/03/2013 12:01 PM, Oleg Nesterov wrote:
> >
> >> followed by whatever synchronization necessary to make it globally visible.
> >
> > Could you explain what this synchronization should actually do ?
> >
>
> That is architecture-dependent. On x86 it requires each CPU on which
> this code is visible to be IPId, on others it involves complex icache
> flushing protocols.

Hmm. And why this would be better than arch-independent code I sent?

IOW. Could you please comment the patch I sent?

Oleg.