From patchwork Thu Oct 10 07:01:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13829617 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 D708E1C6F6B; Thu, 10 Oct 2024 07:02:19 +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=1728543741; cv=none; b=FMRrdQoGgV0YNY5mFiNKT0+9ekT7sEybhdJLJkWMe8Y2W6n254y7R0dX1FztuZwU/mprB7Xq4q16J9WYpSfRNUYwf1uIO/QysVxGtYs3eEImpZr5T4pcHJgkbpOR8iWmbBp22egx+A6fyBm51teSmhAmkApptcVSa1IB3r4byqY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728543741; c=relaxed/simple; bh=xl8NslvwmgdUlYXKqMSBkSIGo+Q6/TRE4tpTp6tPB6g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JmfAqAH3yOFzoImBMDwb37H2x5UzYwP905OfQ9X6/WmJDQOivfnNTZcDDETLAjDjAuR1wxOsmYC5SAsjI67kGL3qiz7G+f85+X+ASLsPXdls0YJIyjx6bzENcmWO30jxtnd6kx3LMqDdBw0ASu2q3EpLNKXiyndxaQtuNqVO7Jo= 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=OsPDoj04; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=uZQ0blBW; 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="OsPDoj04"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="uZQ0blBW" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1728543734; h=from:from: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=LP0hk2FuVWMkIH2lJtKmZQH6c1LDdfDQst6rCNa4pzU=; b=OsPDoj04Z4RSZNlsLV888deerj4w+hB2Ln35SeNDjwL7sNeyYHjNN2Lzl8ME+keSBorRON 3Ea/C8rmiBf/B3NDxRRsVjvO1fNDiWPmj8/UfvYa/uIPgo1B9ckMhEaDqb0OSqR83WCqZg BEq7UWOFJGyXZyiT/fI1tH8AoHR2Of18EGKoXEFM1Txke+ntHd7/AXNUQ8USw9wCkzzCYa 9R2Uunlf/zn+dtWEUrwRK9APM7O5JwfbEkPx/OJJ5gY41VFWBKJdRt0qbRQkAWPbdnDp89 AKrY9GEaMohgJe/N7gZmJBbs9zQwLcg/O+4AsDbUcDWgHbIN/pKUwGgfGKGWnA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1728543734; h=from:from: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=LP0hk2FuVWMkIH2lJtKmZQH6c1LDdfDQst6rCNa4pzU=; b=uZQ0blBW9HT2ulSu6F1O3z7gz72EApU+rDi5lIMk2OHLEbZEv1p3LQYxwNCByu6BpYIV2f k0UV01jPmr6yXIBQ== Date: Thu, 10 Oct 2024 09:01:26 +0200 Subject: [PATCH 24/28] powerpc/pseries/lparcfg: Use num_possible_cpus() for potential processors Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241010-vdso-generic-base-v1-24-b64f0842d512@linutronix.de> References: <20241010-vdso-generic-base-v1-0-b64f0842d512@linutronix.de> In-Reply-To: <20241010-vdso-generic-base-v1-0-b64f0842d512@linutronix.de> To: Guo Ren , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Catalin Marinas , Will Deacon , Paul Walmsley , Palmer Dabbelt , Albert Ou , Russell King , Huacai Chen , WANG Xuerui , Theodore Ts'o , "Jason A. Donenfeld" , Thomas Bogendoerfer , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Vincenzo Frascino Cc: Christophe Leroy , linux-csky@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, =?utf-8?q?Thoma?= =?utf-8?q?s_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1728543717; l=1399; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=xl8NslvwmgdUlYXKqMSBkSIGo+Q6/TRE4tpTp6tPB6g=; b=i8N6VHR2dbk5BpKAW6jdHV8EjNkjT4udcZOMDwp1LfatWcSVkcJxtoTEMbI/wewMKiZ4UKRoS eQdEKwsbAlmCVbvp6A79N8+6Eo28lxI4ZbMuDyNT+01NBDCPxLLJAX4 X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= The systemcfg processorCount variable tracks currently online variables, not possible ones, so the stored value is wrong. The code preferably tries to use the ibm,lrdr-capacity field 4 which "represents the maximum number of processors that the guest can have." Switch from processorCount to the better matching num_possible_cpus(). Signed-off-by: Thomas Weißschuh --- arch/powerpc/platforms/pseries/lparcfg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c index acc640fccca17b54c42eca1a242b37ad4299f685..cc22924f159f50416130f2dcd8f9d0ba0dc0973f 100644 --- a/arch/powerpc/platforms/pseries/lparcfg.c +++ b/arch/powerpc/platforms/pseries/lparcfg.c @@ -29,7 +29,6 @@ #include #include #include -#include #include #include #include @@ -530,7 +529,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v) lrdrp = of_get_property(rtas_node, "ibm,lrdr-capacity", NULL); if (lrdrp == NULL) { - partition_potential_processors = vdso_data->processorCount; + partition_potential_processors = num_possible_cpus(); } else { partition_potential_processors = be32_to_cpup(lrdrp + 4); }