From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Fabiano Rosas <farosas@linux.ibm.com>
Cc: kvm-ppc@vger.kernel.org, npiggin@gmail.com, muriloo@linux.ibm.com
Subject: Re: [PATCH v2] KVM: PPC: Align pt_regs in kvm_vcpu_arch structure
Date: Sat, 09 Jul 2022 10:14:30 +0000 [thread overview]
Message-ID: <165736167068.12236.7214130104736401975.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20220624142712.790491-1-farosas@linux.ibm.com>
On Fri, 24 Jun 2022 11:27:12 -0300, Fabiano Rosas wrote:
> The H_ENTER_NESTED hypercall receives as second parameter the address
> of a region of memory containing the values for the nested guest
> privileged registers. We currently use the pt_regs structure contained
> within kvm_vcpu_arch for that end.
>
> Most hypercalls that receive a memory address expect that region to
> not cross a 4K page boundary. We would want H_ENTER_NESTED to follow
> the same pattern so this patch ensures the pt_regs structure sits
> within a page.
>
> [...]
Applied to powerpc/topic/ppc-kvm.
[1/1] KVM: PPC: Align pt_regs in kvm_vcpu_arch structure
https://git.kernel.org/powerpc/c/f5c847ea19d323974d6f7c7e9fa4858ce0727096
cheers
prev parent reply other threads:[~2022-07-09 10:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-24 14:27 [PATCH v2] KVM: PPC: Align pt_regs in kvm_vcpu_arch structure Fabiano Rosas
2022-07-09 10:14 ` Michael Ellerman [this message]
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