From nobody Sun Dec 14 12:32:38 2025 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66AE12494F9 for ; Thu, 22 May 2025 23:37:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747957065; cv=none; b=o7COW25DnuH0EDdSebNNgZMDlRo2UlodQ0/lUZuS1SMQXY6FMUEEUT6EqMrPPwZ1EInQ6dlz4ZeecJQ2xx0h1ozW1RMpBay+LgyGDdOeC9TRAG1rTevU+5DnFjn03BI1/VCifZe43cafhctDdZIrwSh8dvqruivDNnJ5NEJ6mUQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747957065; c=relaxed/simple; bh=7HznakEWAX3QxiOzowEE528i6qDkLEzzGNrvSoNsN9c=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=F/2rPVTXRLKi0XWnUqWz0R3nXfpYPaq47siOEqqf6fMfKxJr6EUsBqJogGHGAnzUfb3guWwAm/JHtn/42XzSJh0d9YaQwEjluPl6Vgoe9LwrRFrNzu4aWggos99JhQTbzzeaI5ORTL+Y12gwl33tovkx1mbwZEzq8/RupwfY7Vo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=SkXKFSYA; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="SkXKFSYA" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-30ebf91d150so6962338a91.0 for ; Thu, 22 May 2025 16:37:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1747957063; x=1748561863; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=uPxUrn14vuCfCMnKXPuJKpCi+RnH/dlPI+aSAjTgJIQ=; b=SkXKFSYApdsPjWpIPz5B9XNLdQ+eWKcQiy0NvTTO3iNZqGZGZopPabFBd65HjlaWYB LOUSA3Uy0CijsNzYm9CcHH10rWoaK4Ge9UckmZndNmFjBBC39AU27wXZq0pdKrssiBuO MRWCydZQFtPJVR5CHBsIwGdOBRVAo5ZOezsoTed+IKQ3oEjBfzIi0iHgCjrC4mS3jdXn eFlJmq+UsK/oxPEMiQh9C6TQds++hzaLO3vYiDw4JZ7EpPlYFjen2Ohre3l2CGsUO0Pd B/0l+RIg+qaqijPZ79zzJ0EO8uAcirnw4CoLiN1Ms120Uo627BKikUL0tT4c4/fkth76 E1qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747957064; x=1748561864; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=uPxUrn14vuCfCMnKXPuJKpCi+RnH/dlPI+aSAjTgJIQ=; b=B66IwaScjcvbEvSzriLFgJIgZC2mK2RSUDku4CFVXw4pzNdvQf+ZU2yhT/t4GHI28v dvbVVXlmhz65f34RKwxbN9uavlF3RC3zWU2DmpCkW3j6sVxvf39uLpw2xBqH/RJXaSJr 7HlKxSB1YiQFgOvQjkpsSYLlXFXUvPbPz5ipNAr8F58JWbX2xfSCFOn7TRLKbRFzj36t Ufb2i12Q+rUoI0RJzUrTWMHetWeISNW5oVMFo2ngnxzqrdI1CJxidI0aB/50DrIveCSL Kdj8POfwxgO4vETA0rFDe3rHGB792DjXByNk7mdXwvodmRJmk0tZqDd8bN7t3chwbCm1 cXMg== X-Gm-Message-State: AOJu0YxDrbRbf9dvTgqX5z8no7W08ajLBtXXT85gzfzUGnCqbFpi22Gv XtSmG7rIHIov0ndB36hIYD1zwqEqqu58fvGagnbFnFb32vpIuDkBsbRo7m1Pz8D4bJrPRcHp2+T 4Xg6PIw== X-Google-Smtp-Source: AGHT+IGI69KyPY1At0pbvO9taKFOli2nLHw8tUa/zK4co4eocqDHMTFbGsbKlwZf9ojX+OImaEWTLGTboac= X-Received: from pjbsw15.prod.google.com ([2002:a17:90b:2c8f:b0:301:4260:4d23]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:2c8c:b0:2fe:8c22:48b0 with SMTP id 98e67ed59e1d1-30e7d555a3bmr38071711a91.15.1747957063457; Thu, 22 May 2025 16:37:43 -0700 (PDT) Reply-To: Sean Christopherson Date: Thu, 22 May 2025 16:37:25 -0700 In-Reply-To: <20250522233733.3176144-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250522233733.3176144-1-seanjc@google.com> X-Mailer: git-send-email 2.49.0.1151.ga128411c76-goog Message-ID: <20250522233733.3176144-2-seanjc@google.com> Subject: [PATCH v3 1/8] drm/gpu: Remove dead checks on wbinvd_on_all_cpus()'s return value From: Sean Christopherson To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Sean Christopherson , Paolo Bonzini , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, dri-devel@lists.freedesktop.org, Kevin Loughlin , Tom Lendacky , Kai Huang , Ingo Molnar , Zheyun Shen , Mingwei Zhang , Francesco Lavra Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Remove the checks and associated pr_err() on wbinvd_on_all_cpus() failure, as the helper has unconditionally returned 0/success since commit caa759323c73 ("smp: Remove smp_call_function() and on_each_cpu() return values"). Signed-off-by: Sean Christopherson Acked-by: Simona Vetter --- drivers/gpu/drm/drm_cache.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index 7051c9c909c2..ea1d2d5d2c66 100644 --- a/drivers/gpu/drm/drm_cache.c +++ b/drivers/gpu/drm/drm_cache.c @@ -93,8 +93,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num= _pages) return; } =20 - if (wbinvd_on_all_cpus()) - pr_err("Timed out waiting for cache flush\n"); + wbinvd_on_all_cpus(); =20 #elif defined(__powerpc__) unsigned long i; @@ -139,8 +138,7 @@ drm_clflush_sg(struct sg_table *st) return; } =20 - if (wbinvd_on_all_cpus()) - pr_err("Timed out waiting for cache flush\n"); + wbinvd_on_all_cpus(); #else WARN_ONCE(1, "Architecture has no drm_cache.c support\n"); #endif @@ -172,8 +170,7 @@ drm_clflush_virt_range(void *addr, unsigned long length) return; } =20 - if (wbinvd_on_all_cpus()) - pr_err("Timed out waiting for cache flush\n"); + wbinvd_on_all_cpus(); #else WARN_ONCE(1, "Architecture has no drm_cache.c support\n"); #endif --=20 2.49.0.1151.ga128411c76-goog