From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Upton Date: Sat, 11 Feb 2023 01:44:59 +0000 Subject: Re: [RFC PATCH 29/32] KVM: arm64: Pass hypercalls to userspace Message-Id: List-Id: References: <20230203135043.409192-1-james.morse@arm.com> <20230203135043.409192-30-james.morse@arm.com> <865ycg1kv2.wl-maz@kernel.org> <7462738f-e837-cd99-f441-8e7c29d250cd@arm.com> In-Reply-To: <7462738f-e837-cd99-f441-8e7c29d250cd@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: James Morse Cc: Marc Zyngier , linux-pm@vger.kernel.org, loongarch@lists.linux.dev, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, Thomas Gleixner , Lorenzo Pieralisi , Mark Rutland , Sudeep Holla , Borislav Petkov , H Peter Anvin , Dave Hansen , Ingo Molnar , Will Deacon , Catalin Marinas , Huacai Chen , Suzuki K Poulose , Len Brown , Rafael Wysocki , WANG Xuerui , Salil Mehta , Russell King , Jean-Philippe Brucker Hey James, On Tue, Feb 07, 2023 at 05:50:58PM +0000, James Morse wrote: [...] > > As mentioned above, I think this interface should go both ways. > > Userspace should request the forwarding of a certain range of > > hypercalls via a similar SET_ATTR interface. > > Yup, I'll sync up with Oliver about that. Sorry, I was tied up with some unrelated stuff at work this week. I polished up what I had and sent out an RFC v2 for SMCCC filtering [1]. Mentioning it here because my email service gives up if I Cc too many recipients so I didn't include everyone on this series. [1]: https://lore.kernel.org/linux-arm-kernel/20230211013759.3556016-1-oliver.upton@linux.dev/ -- Thanks, Oliver