Messages in this thread | | | Date | Mon, 18 May 2015 23:06:14 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 12/19] x86: make is_64bit_mm() widely available |
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On Fri, 8 May 2015, Dave Hansen wrote: > The uprobes code has a nice helper, is_64bit_mm(), that consults both > the runtime and compile-time flags for 32-bit support. Instead of > reinventing the wheel, pull it in to an x86 header so we can use it > for MPX. > > I prefer passing the mm around to test_thread_flag(TIF_IA32) because > it makes it explicit where the context is coming from.
Ack.
> It will also make it easier if we ever need to access the MPX > structures from another process.
Do we really want to go there?
Otherwise: Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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