lkml.org 
[lkml]   [2021]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v5 04/21] arm64: Provide an 'upgrade to VHE' stub hypercall
    On Mon, Jan 25, 2021 at 10:50:02AM +0000, Marc Zyngier wrote:
    > As we are about to change the way a VHE system boots, let's
    > provide the core helper, in the form of a stub hypercall that
    > enables VHE and replicates the full EL1 context at EL2, thanks
    > to EL1 and VHE-EL2 being extremely similar.
    >
    > On exception return, the kernel carries on at EL2. Fancy!
    >
    > Nothing calls this new hypercall yet, so no functional change.
    >
    > Signed-off-by: Marc Zyngier <maz@kernel.org>
    > Acked-by: David Brazdil <dbrazdil@google.com>

    Acked-by: Catalin Marinas <catalin.marinas@arm.com>

    \
     
     \ /
      Last update: 2021-01-26 20:27    [W:7.577 / U:0.040 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site