Messages in this thread | | | Date | Wed, 27 Nov 2013 23:21:04 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH] Add a text_poke syscall v2 |
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On Wed, Nov 27, 2013 at 02:02:50PM -0800, H. Peter Anvin wrote: > For the record, this is the entire patch necessary to do the > sync_cores() system call -- and no potential interactions with security > frameworks or whatnot, simply because no security-sensitive operations > are performed of any kind. > > Comments/opinions appreciated.
And we do this in the kernel not because userspace can't execute sync_core() aka CPUID but because for userspace it is hard to IPI all cores easily?
-- Regards/Gruss, Boris.
Sent from a fat crate under my desk. Formatting is fine. --
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