From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 892B03659E6; Tue, 16 Dec 2025 12:12:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765887145; cv=none; b=aJV0/qss+ByoiizVwmzYfJT7sgWFLujMpZMyy+jJ7UBRw5SY/qhtSUW9fGkeI3dPvbqvgGCZig5cDMs2qSfYXSm3r7Gv2DxpZV1+SFIteXkrrj9yc+Iy8OfDb08OyguiE5spJJ7flvZiQAuz26QeBaAcW33Xd2jrhs8kehP2F2Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765887145; c=relaxed/simple; bh=3RpKji1Zi4DFBifB4darXs07ChOqqIGKo/VMHr3EMAM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BNpHEAJcukEFJUnH8w5bJy3wsRI2zEltaesJAHoBLNSB4mrNnaGWuf0uWU2iqABws5K+9XiUHKzpmY0KrN0UYZMUgWbMoeNxpxPcZZNhcWX4qP4lVcDZhKZLxVvWjGl+6p/4LREKFclBcmU4wnn/sLv+HDi/yZ/EFKn1vN+hqHc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jqwH/onx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jqwH/onx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D756C4CEF1; Tue, 16 Dec 2025 12:12:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1765887145; bh=3RpKji1Zi4DFBifB4darXs07ChOqqIGKo/VMHr3EMAM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jqwH/onx2fuMJju93ijjozVVgfu9j4rVkO4qckp1VYiz4csFiBNAeD/rRpTxclfa6 Hf7bZ5jzHztDu/bo6q4e5+/8SGUO+ynSc1NI6XhzplAcDs8mkGbrKLJLG1/md3FOPg U/isqVfDzm/VVzx4ZWHvSee1FXbHq6GbywBajkEw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhang Rui , "Peter Zijlstra (Intel)" , Kan Liang , Dapeng Mi , Sasha Levin Subject: [PATCH 6.18 141/614] perf/x86/intel/cstate: Remove PC3 support from LunarLake Date: Tue, 16 Dec 2025 12:08:28 +0100 Message-ID: <20251216111406.443599389@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251216111401.280873349@linuxfoundation.org> References: <20251216111401.280873349@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhang Rui [ Upstream commit 4ba45f041abe60337fdeeb68553b9ee1217d544e ] LunarLake doesn't support Package C3. Remove the PC3 residency counter support from LunarLake. Fixes: 26579860fbd5 ("perf/x86/intel/cstate: Add Lunarlake support") Signed-off-by: Zhang Rui Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Kan Liang Reviewed-by: Dapeng Mi Link: https://patch.msgid.link/20251023223754.1743928-3-zide.chen@intel.com Signed-off-by: Sasha Levin --- arch/x86/events/intel/cstate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index ec753e39b0077..6f5286a99e0c3 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -70,7 +70,7 @@ * perf code: 0x01 * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL, * GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL, - * ADL,RPL,MTL,ARL,LNL + * ADL,RPL,MTL,ARL * Scope: Package (physical package) * MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter. * perf code: 0x02 @@ -522,7 +522,6 @@ static const struct cstate_model lnl_cstates __initconst = { BIT(PERF_CSTATE_CORE_C7_RES), .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) | - BIT(PERF_CSTATE_PKG_C3_RES) | BIT(PERF_CSTATE_PKG_C6_RES) | BIT(PERF_CSTATE_PKG_C10_RES), }; -- 2.51.0