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Message-ID: <87a6j5cmif.fsf@mpe.ellerman.id.au>
Date: Tue, 19 Oct 2021 21:55:04 +1100
From: Michael Ellerman <mpe@...erman.id.au>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org
Subject: Re: [PATCH 5.14 060/151] KVM: PPC: Book3S HV: Fix stack handling in
idle_kvm_start_guest()
Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:
> From: Michael Ellerman <mpe@...erman.id.au>
>
> commit 9b4416c5095c20e110c82ae602c254099b83b72f upstream.
>
> In commit 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in
> C") kvm_start_guest() became idle_kvm_start_guest(). The old code
> allocated a stack frame on the emergency stack, but didn't use the
> frame to store anything, and also didn't store anything in its caller's
> frame.
Please drop this and the next patch.
cheers
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