From nobody Thu Apr 9 03:21:14 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05149C4332F for ; Tue, 1 Nov 2022 17:31:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229936AbiKARbJ (ORCPT ); Tue, 1 Nov 2022 13:31:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229566AbiKARbF (ORCPT ); Tue, 1 Nov 2022 13:31:05 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id F0C1B1C12E; Tue, 1 Nov 2022 10:31:04 -0700 (PDT) Received: from skinsburskii-cloud-desktop.internal.cloudapp.net (unknown [20.120.152.163]) by linux.microsoft.com (Postfix) with ESMTPSA id BA3F720B929F; Tue, 1 Nov 2022 10:31:04 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com BA3F720B929F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1667323864; bh=VzS0zv6W20Ej0nTKmhHcYF4peM529wVUYDvHRYTK7Zc=; h=Subject:From:Cc:Date:In-Reply-To:References:From; b=OyhwJotSpjmdF+Oolz000h3Z0kXNjN6e/hid2wcKbrphgqXY6so+O9uyRXTZvDsHk bz4agA5yLzbTOoB5abTL+ykPmlkTgFOYZRIo+MNGwnatX9ygaMEXpsdltXiTK2IJO+ 7VnnAPds0Vrvx7hWsYI/94joKNq4piiP0uOjusvQ= Subject: [PATCH 1/4] drivers/clocksource/hyper-v: Introduce a pointer to TSC page From: Stanislav Kinsburskii Cc: Stanislav Kinsburskiy , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Daniel Lezcano , Thomas Gleixner , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Date: Tue, 01 Nov 2022 17:31:04 +0000 Message-ID: <166732386464.9827.16622091938453285710.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> In-Reply-To: <166732356767.9827.4925884794177179249.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> References: <166732356767.9827.4925884794177179249.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stanislav Kinsburskiy Will be used later keep the address of the remapped page for the root partition. Signed-off-by: Stanislav Kinsburskiy CC: "K. Y. Srinivasan" CC: Haiyang Zhang CC: Wei Liu CC: Dexuan Cui CC: Daniel Lezcano CC: Thomas Gleixner CC: linux-hyperv@vger.kernel.org CC: linux-kernel@vger.kernel.org --- drivers/clocksource/hyperv_timer.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyper= v_timer.c index 11332c82d1af..c4dbf40a3d3e 100644 --- a/drivers/clocksource/hyperv_timer.c +++ b/drivers/clocksource/hyperv_timer.c @@ -366,9 +366,11 @@ static union { u8 reserved[PAGE_SIZE]; } tsc_pg __aligned(PAGE_SIZE); =20 +static struct ms_hyperv_tsc_page *tsc_page =3D &tsc_pg.page; + struct ms_hyperv_tsc_page *hv_get_tsc_page(void) { - return &tsc_pg.page; + return tsc_page; } EXPORT_SYMBOL_GPL(hv_get_tsc_page); =20 @@ -406,7 +408,7 @@ static void suspend_hv_clock_tsc(struct clocksource *ar= g) =20 static void resume_hv_clock_tsc(struct clocksource *arg) { - phys_addr_t phys_addr =3D virt_to_phys(&tsc_pg); + phys_addr_t phys_addr =3D virt_to_phys(tsc_page); union hv_reference_tsc_msr tsc_msr; =20 /* Re-enable the TSC page */