From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 36DB73EDAA6; Thu, 23 Apr 2026 12:43:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776948225; cv=none; b=hSYc5rcubyOcWI0PUmDTeU0O50mSbfa3hEBDpJqCrcNYKyi64mROdlh+3CnphJkfpgVMyO23JGxAHkG/icxgV36OG7qTmP2LvshLfOUJwYGgVmUTlhf1B/aiEuOAtlm5/i6wulpVioxpE39gTi/jJbmalxRVyYG2o8072M56vk8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776948225; c=relaxed/simple; bh=xTtc9TutELlyQEkkRXCdnqpf1ZRzLYGo6NHAK52BlN4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W6klJioMewCazYvck6BYxq6ptxJI7JMzgB+llmD0d0ZHR2iubSYpvKHLTWZ9AM568tZbtuMiiTkY/w/H4JridVvKDitOzMxUQZvTyMYAjni9jRGvOoeijqieItC2r3+UYDgRSa5A/8Vbu60p9QFCmXZHdOipAJIkwh/H85RbIEQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=jnDmNSc0; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="jnDmNSc0" Received: from CPC-namja-026ON.redmond.corp.microsoft.com (unknown [4.213.232.18]) by linux.microsoft.com (Postfix) with ESMTPSA id 37DC520B7167; Thu, 23 Apr 2026 05:43:37 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 37DC520B7167 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1776948224; bh=HSbbqWv3vuhtoGamHoPNheyejHz2e9u0oDYSbNnHoaw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jnDmNSc0a/QiF41tnxPVpEemp0ovscQVoHm7CEknskN0kFoNazOQmBlBxrsnROhBF HheeJD79c5Vtd0Nsn/hk4DaJ85YaULJVPW12qOrDSXkk2T4+rkdp4TmKCHfJ7PXX7H s4ZTD4CYNMR+wg+YC3mqrxLdgn9/4lpM4PspwDDo= From: Naman Jain To: "K . Y . Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Arnd Bergmann , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Michael Kelley Cc: Marc Zyngier , Timothy Hayes , Lorenzo Pieralisi , Sascha Bischoff , mrigendrachaubey , Naman Jain , linux-hyperv@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-riscv@lists.infradead.org, vdso@mailbox.org, ssengar@linux.microsoft.com Subject: [PATCH v2 10/15] arm64: hyperv: Add hv_vtl_configure_reg_page() stub Date: Thu, 23 Apr 2026 12:42:00 +0000 Message-ID: <20260423124206.2410879-11-namjain@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260423124206.2410879-1-namjain@linux.microsoft.com> References: <20260423124206.2410879-1-namjain@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARM64 does not support the register page overlay, so provide a stub that returns false. This pairs with the preceding commit that moved hv_vtl_configure_reg_page() out of common code into architecture- specific files. Signed-off-by: Naman Jain --- arch/arm64/hyperv/hv_vtl.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/hyperv/hv_vtl.c b/arch/arm64/hyperv/hv_vtl.c index 59cbeb74e7b9..e07f6a865350 100644 --- a/arch/arm64/hyperv/hv_vtl.c +++ b/arch/arm64/hyperv/hv_vtl.c @@ -156,3 +156,10 @@ void mshv_vtl_return_call(struct mshv_vtl_cpu_context *vtl0) kernel_neon_end(&fpsimd_state); } EXPORT_SYMBOL(mshv_vtl_return_call); + +bool hv_vtl_configure_reg_page(struct mshv_vtl_per_cpu *per_cpu) +{ + pr_debug("Register page not supported on ARM64\n"); + return false; +} +EXPORT_SYMBOL_GPL(hv_vtl_configure_reg_page); -- 2.43.0