Re: [PATCH v3 3/3] RISC-V: KVM: Widen G-stage fault address to gpa_t

Anup Patel <[email protected]> Wed, 29 Jul 2026 21:51:19 +0530
Newsgroups org.infradead.lists.kvm-riscv,org.infradead.lists.linux-riscv,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.stable
Message-ID <CAAhSdy0y-K3_-=_SCDwAqEiCb0PKmNHVcNDgyY+pGGF4N3gEGQ@mail.gmail.com>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==