Re: [RFC PATCH v11 08/29] KVM: Introduce per-page memory attributes
From: Xu Yilun <yilun.xu@intel.com>
Date: 2023-07-27 03:27:38
Also in:
kvm, kvm-riscv, kvmarm, linux-arm-kernel, linux-fsdevel, linux-mips, linux-mm, linux-riscv, linux-security-module, lkml
On 2023-07-26 at 08:59:53 -0700, Sean Christopherson wrote:
On Mon, Jul 24, 2023, Xu Yilun wrote:quoted
On 2023-07-18 at 16:44:51 -0700, Sean Christopherson wrote:quoted
+ if (WARN_ON_ONCE(start == end)) + return -EINVAL;Also, is this check possible to be hit? Maybe remove it?It should be impossible to, hence the WARN. I added the check for two reasons: (1) to help document that end is exclusive, and (2) to guard against future bugs.
Understood. I'm good to it.