From nobody Thu Sep 24 16:08:42 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD5F94C10D7; Tue, 22 Sep 2026 09:46:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790070396; cv=none; b=g/26FKgkdoO/Yi/q7sQdnlqjf8ppsBflgWYA+GK+Ef6SG9DBiOcti16+kue33bmVxJmBkOOiZJ9pAf0/kCZ0OMn+7XOK4j44k0htJnilrmKuZCYtugXuo5j+HkqsKFD977rW/W7ZXFR8SqQqWALndshO/uCjg7YgUIbhpcRZ8S4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790070396; c=relaxed/simple; bh=j+Hb/TyisW3JUiZx+Vljm8qwHpvuQVfbEnx2RL71uvU=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=SUXgTxssaVxaBmkFJChVL5akP7Nd9+WKBfXgti5qKHPGvzYgWAVLIeoQcyKmnhe7SUW2FkUP34GgTXX2LTz3n1YojJ+2wjlIfgRDpCZB7xBGexX+0ha/uFVwJ/UcxPPP+H/cLy1sdXohq1sb44iMMXgMy/dQ9xlBmN7wUU2uGZ8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=T7qf9/dT; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=rr1i4Lf/; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="T7qf9/dT"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="rr1i4Lf/" Date: Tue, 22 Sep 2026 09:46:29 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1790070391; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TBDiMnLCG38ExfrTP1wBwecv2TxZY8Nj6c5TEeMvfxY=; b=T7qf9/dTV20CHa1UIoui22qbqH1kdXXAR3IXSOISLkDlI8K9mmxUJouS39oAAKW36hQ6mV LPleuWr/MuiNuIucLClcG3RV8fd0+7ykvGMlBvaYj6frFXnUgHkbB2CvYcmEJo4v9bM/CG +m32NzPAF4dSskJ27u7QPBv9Ya3yX5rS/BBlKa+6KkXRZi5AecEZrdDWPpgGW6TFk9Vdud DQogJx0oTx1ZI3+TneCPHksAXJcMGurP1gOqgQJ1BJaez4lcsfIMxZf/W2ff2KV071aqAu An4L3DasXxQvlnpdaq5qGU0fLDdQCDpHwGKHD3tcHB+7Xr9pTpjK5oB0u2pFAQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1790070391; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TBDiMnLCG38ExfrTP1wBwecv2TxZY8Nj6c5TEeMvfxY=; b=rr1i4Lf/I633Vg9vWEgVXKTIB+u5qiY/q4xRbGTMyCooNn/ZwXll213DAfr1hgiPSDgveO 0K+25jBufBRlHCDw== From: "tip-bot2 for Dapeng Mi" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/urgent] perf/x86/intel: Fix Panther Cove PEBS data-source snoop states Cc: Dapeng Mi , "Peter Zijlstra (Intel)" , Ingo Molnar , , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20260917015234.981153-8-dapeng1.mi@linux.intel.com> References: <20260917015234.981153-8-dapeng1.mi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <179007038953.2819794.4249095607827118271.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the perf/urgent branch of tip: Commit-ID: 0ac5d6ca2c3b7d047963b67dccef17902dc6c017 Gitweb: https://git.kernel.org/tip/0ac5d6ca2c3b7d047963b67dccef17902= dc6c017 Author: Dapeng Mi AuthorDate: Thu, 17 Sep 2026 09:52:29 +08:00 Committer: Ingo Molnar CommitterDate: Tue, 22 Sep 2026 11:33:06 +02:00 perf/x86/intel: Fix Panther Cove PEBS data-source snoop states For Panther Cove, the snoop states for the data source encodings "Prefetch Promotion" and "Cross Core Prefetch Promotion" should be SNOOP_NONE instead of SNOOP_MISS. Fix the incorrect snooping states for Panther Cove. Fixes: d2bdcde9626c ("perf/x86/intel: Add support for PEBS memory auxiliary= info field in DMR") Signed-off-by: Dapeng Mi Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Cc: # v7.0+ Link: https://patch.msgid.link/20260917015234.981153-8-dapeng1.mi@linux.int= el.com --- arch/x86/events/intel/ds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index 72179bc..d0329a7 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -277,8 +277,8 @@ static u64 pnc_pebs_l2_hit_data_source[PNC_PEBS_DATA_SO= URCE_MAX] =3D { 0, /* 0x06: Reserved */ OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, HIT), /* 0x07: L2 Hit Snoop HI= T */ OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, HITM), /* 0x08: L2 Hit Snoop H= it Modified */ - OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, MISS), /* 0x09: Prefetch Promo= tion */ - OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, MISS), /* 0x0a: Cross Core Pre= fetch Promotion */ + OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, NONE), /* 0x09: Prefetch Promo= tion */ + OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, NONE), /* 0x0a: Cross Core Pre= fetch Promotion */ 0, /* 0x0b: Reserved */ 0, /* 0x0c: Reserved */ 0, /* 0x0d: Reserved */