[RFC PATCH] uprobes: copy to user-space xol page with proper cache flushing

Peter Zijlstra peterz at infradead.org
Fri Apr 11 08:32:49 PDT 2014

On Fri, Apr 11, 2014 at 05:22:07PM +0200, Oleg Nesterov wrote:
> And I am just curious, why arm's copy_to_user_page() disables premption
> before memcpy?

Without looking, I suspect its because the VIVT caches, they need to get
shot down on every context switch.

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