From nobody Sat May 4 08:27:34 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.intel.com ARC-Seal: i=1; a=rsa-sha256; t=1584424656; cv=none; d=zohomail.com; s=zohoarc; b=hGdrRKrlgoj7xPYYUlUJFUhISbxhGf1+trL4Rr/XR85E3syFtlrOV+yvIfwmXtkphLoRxFFuhJ579bdvrZUlaL0satl8P2LTA9er8xw9CCNRu+/LUFV6fYX0/zaQAIn+xPB5ETvlV5zTuyuitwm2snfRyL1JVd78WYKKvz+WLxw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1584424656; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=QJY5d7+Vu+I56eoY6nAUrX8rmML4maeM1jZqopLmehs=; b=GFy1wJTXKD/LD4mmnB1JJlowz2OQDDb31sbuM6gxGUL1PHfywzvXJPlmSYTZfc0kQYa3x1HX/nDbeMDASJ0AHWjrStR5MHlSvjm5KrAz4EblAaNXbWnb4re9eT3ydLNb1UtVXRX0nM+F0dQ/XCohZ0kr2vAajRIdIEfMVmrwBf8= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1584424656954931.7672944968579; Mon, 16 Mar 2020 22:57:36 -0700 (PDT) Received: from localhost ([::1]:53214 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jE5EN-0005aY-TV for importer@patchew.org; Tue, 17 Mar 2020 01:57:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42050) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jE5Dg-000553-QQ for qemu-devel@nongnu.org; Tue, 17 Mar 2020 01:56:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jE5Df-0006VA-EY for qemu-devel@nongnu.org; Tue, 17 Mar 2020 01:56:52 -0400 Received: from mga02.intel.com ([134.134.136.20]:19038) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jE5Df-0005au-6m; Tue, 17 Mar 2020 01:56:51 -0400 Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2020 22:56:44 -0700 Received: from sqa-gate.sh.intel.com (HELO clx-ap-likexu.tsp.org) ([10.239.48.212]) by fmsmga006.fm.intel.com with ESMTP; 16 Mar 2020 22:56:43 -0700 IronPort-SDR: r2WD3s/tiA+FvtPYfWQAHun7wDUnqCSpi8hTxfWWZTr7KOj16SBR3k2PMvjWRK1iPjpXrOUeV1 tzcHRIUHhYkw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False IronPort-SDR: 9c5T64UsMmZ1iD+Q6QCAj1UFomKlCJwR/AVoK2+Q8MrJH5N+j9qYQcKuhf38yfavro3zT26vsT DiPQ/6k4TaMg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,563,1574150400"; d="scan'208";a="445384869" From: Like Xu To: Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PATCH] i386/cpu: Expand MAX_FIXED_COUNTERS from 3 to 4 to for Icelake Date: Tue, 17 Mar 2020 13:54:13 +0800 Message-Id: <20200317055413.66404-1-like.xu@linux.intel.com> X-Mailer: git-send-email 2.21.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 134.134.136.20 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-trivial@nongnu.org, qemu-devel@nongnu.org, Like Xu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" In the Intel SDM, "Table 18-2. Association of Fixed-Function Performance Counters with Architectural Performance Events", we may have a new fixed counter 'TOPDOWN.SLOTS' (since Icelake), which counts the number of available slots for an unhalted logical processor. Check commit 6017608936 in the kernel tree. Signed-off-by: Like Xu --- target/i386/cpu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 576f309bbf..ec2b67d425 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1185,7 +1185,7 @@ typedef struct { #define CPU_NB_REGS CPU_NB_REGS32 #endif =20 -#define MAX_FIXED_COUNTERS 3 +#define MAX_FIXED_COUNTERS 4 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0) =20 #define TARGET_INSN_START_EXTRA_WORDS 1 --=20 2.21.1