Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected
From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2024-08-26 10:04:54
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kvm, kvmarm, linux-arm-kernel, lkml
On Mon, Aug 19, 2024 at 02:19:12PM +0100, Steven Price wrote:
+static inline bool arm64_is_iomem_private(phys_addr_t phys_addr, size_t size)
+{
+ if (unlikely(is_realm_world()))
+ return arm64_rsi_is_protected_mmio(phys_addr, size);
+ return false;
+}I was wondering whether to return true in non-realm world. It doesn't matter since the pgprot_decrypted() wouldn't do anything. Anyway: Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>