From nobody Fri Oct 10 13:45:37 2025 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 E7F44279DB2; Fri, 13 Jun 2025 09:11:28 +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=1749805890; cv=none; b=OlDjo9h5fUJ86G45STdM6HxwA7McojK0ZInBUodhxrPRlFLvNhIeQiUNSLT5koGDcvCnkF78p+NxGkSK66gj40ZmuSCD8kWE7HLk+fGD75eKU+T+DvhkmgIc11FN9J9dc3HQoNjbAFVxaof/Zd8Zu+WOMJsZHtSvCjQr80p+7ro= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749805890; c=relaxed/simple; bh=+hp27uzMfVa0zIe3WW68Yss4qmnl+KhoEv8qvXFQGfI=; h=Date:From:To:Subject:Cc:MIME-Version:Message-ID:Content-Type; b=aJoEPYl8DqqvP13iU2Rvv8hG1oQAqf9b+FYBifZ6ivjSGTSbrVtkpMz74710R16to1NDfqwA4bad6/rSK//6MlvjwpRpE/6KKKIlaidxwpKLyFDMnE+8Zs3mF50qCV65hLiYyvmv+fOyzZFxM+4M+M2ayZms8mDoewvWGUpN150= 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=hc806x/c; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=QNBY0Vsi; 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="hc806x/c"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="QNBY0Vsi" Date: Fri, 13 Jun 2025 09:11:25 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1749805886; 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; bh=qZ3rbog1PU0jvG/JDcCla2wMAk/TziTP/l1vKVODhcY=; b=hc806x/cwuffVt7lmhRcjROuusk84E5DdOuVpelj0srNd6qu7Z0M8SeTswKockatLP7QOa odZN0efsaKVXAC4AB4rbia99OXp3m5ZiltLbASD/esSuoc5q+vLKuqxFLiprLIOONu3hkQ V3oDBG2h1H4OPXCW2k9yJtwY1ExI38xezwz6QAf6CA/+nTmVvbYnucknlbfE2sWlt4MHYV cxuqAHY0VUWbHC0UrpAC3N+1m/YubNqy2+/zfnMkXfMj9XaAbaeHRgyamV0/eTF0oj2b/r c78s7nqiR+692OeWjmHlnhOmwQVCDnDFG2CSo+C6TRl+aYDwG99t4w6bNdUa2g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1749805886; 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; bh=qZ3rbog1PU0jvG/JDcCla2wMAk/TziTP/l1vKVODhcY=; b=QNBY0VsiLy1z9PBd545f9DhUju68L7PntEbtNEX/BDLjSe5KpWvZNYwaC3gUjn+wb+r2u/ VkwJsyveUj2t9pCA== From: "tip-bot2 for Ingo Molnar" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/kconfig] x86/kconfig: Remove the CONFIG_DRM_I915=y driver from the defconfig Cc: Peter Zijlstra , Ingo Molnar , Ard Biesheuvel , Arnd Bergmann , David Woodhouse , "H. Peter Anvin" , jgross@suse.com, Linus Torvalds , Masahiro Yamada , Michal Marek , Vitaly Kuznetsov , linux-kernel@vger.kernel.org, x86@kernel.org Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174980588551.406.17181283015896978758.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 x86/kconfig branch of tip: Commit-ID: c86ec5635d079e62a66e767422ee71a06f930c86 Gitweb: https://git.kernel.org/tip/c86ec5635d079e62a66e767422ee71a06= f930c86 Author: Ingo Molnar AuthorDate: Fri, 13 Jun 2025 10:49:04 +02:00 Committer: Ingo Molnar CommitterDate: Fri, 13 Jun 2025 11:02:41 +02:00 x86/kconfig: Remove the CONFIG_DRM_I915=3Dy driver from the defconfig The i915 driver was enabled in the x86 defconfig in 2008 via: 5cb04df8d3f0 ("x86: defconfig updates") ... basically as part of a slimmed-down distro config. But we don't really enable AMD or Nvidia GPU drivers, and the i915 driver adds +10% to the defconfig build time, as reported by Peter Zijlstra and quantified by my testing: starship:~/tip> perf stat --null --repeat 3 --sync --pre=3D'make clean >/= dev/null' make -j128 bzImage >/dev/null | CONFIG_DRM_I915=3Dy 38.726 +- 0.529 seconds time elapsed ( +- 1.37% ) | # CONFIG_DRM_I915 is not set 34.446 +- 0.659 seconds time elapsed ( +- 1.91% ) So disable this driver. Note that disabling this driver has a number of side-effects on the options enabled in the defconfigs. Reported-by: Peter Zijlstra Signed-off-by: Ingo Molnar Acked-by: Peter Zijlstra Cc: Ard Biesheuvel Cc: Arnd Bergmann Cc: David Woodhouse Cc: H. Peter Anvin Cc: J=C3=BCrgen Gro=C3=9F Cc: Linus Torvalds Cc: Masahiro Yamada Cc: Michal Marek Cc: Vitaly Kuznetsov Cc: linux-kernel@vger.kernel.org --- arch/x86/configs/i386_defconfig | 6 ------ arch/x86/configs/x86_64_defconfig | 5 ----- 2 files changed, 11 deletions(-) diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defcon= fig index fac0f57..aeba958 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -158,7 +158,6 @@ CONFIG_NET_CLS_ACT=3Dy CONFIG_CGROUP_NET_PRIO=3Dy CONFIG_CFG80211=3Dy CONFIG_MAC80211=3Dy -CONFIG_MAC80211_LEDS=3Dy CONFIG_RFKILL=3Dy CONFIG_RFKILL_INPUT=3Dy CONFIG_NET_9P=3Dy @@ -240,7 +239,6 @@ CONFIG_AGP=3Dy CONFIG_AGP_AMD64=3Dy CONFIG_AGP_INTEL=3Dy CONFIG_DRM=3Dy -CONFIG_DRM_I915=3Dy CONFIG_DRM_VIRTIO_GPU=3Dy CONFIG_DRM_HYPERV=3Dy CONFIG_SOUND=3Dy @@ -252,7 +250,6 @@ CONFIG_SND_HDA_INTEL=3Dy CONFIG_SND_HDA_HWDEP=3Dy CONFIG_HIDRAW=3Dy CONFIG_HID_A4TECH=3Dy -CONFIG_HID_APPLE=3Dy CONFIG_HID_BELKIN=3Dy CONFIG_HID_CHERRY=3Dy CONFIG_HID_CHICONY=3Dy @@ -269,7 +266,6 @@ CONFIG_HID_PANTHERLORD=3Dy CONFIG_PANTHERLORD_FF=3Dy CONFIG_HID_PETALYNX=3Dy CONFIG_HID_SAMSUNG=3Dy -CONFIG_HID_SONY=3Dy CONFIG_HID_SUNPLUS=3Dy CONFIG_HID_HYPERV_MOUSE=3Dy CONFIG_HID_TOPSEED=3Dy @@ -292,7 +288,6 @@ CONFIG_VIRTIO_INPUT=3Dy CONFIG_HYPERV=3Dy CONFIG_HYPERV_UTILS=3Dy CONFIG_HYPERV_BALLOON=3Dy -CONFIG_EEEPC_LAPTOP=3Dy CONFIG_INTEL_IOMMU=3Dy # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set CONFIG_EXT4_FS=3Dy @@ -308,7 +303,6 @@ CONFIG_ZISOFS=3Dy CONFIG_MSDOS_FS=3Dy CONFIG_VFAT_FS=3Dy CONFIG_PROC_KCORE=3Dy -CONFIG_TMPFS_POSIX_ACL=3Dy CONFIG_HUGETLBFS=3Dy CONFIG_NFS_FS=3Dy CONFIG_NFS_V3_ACL=3Dy diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_de= fconfig index 09362bc..c20100d 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -173,7 +173,6 @@ CONFIG_NET_CLS_ACT=3Dy CONFIG_CGROUP_NET_PRIO=3Dy CONFIG_CFG80211=3Dy CONFIG_MAC80211=3Dy -CONFIG_MAC80211_LEDS=3Dy CONFIG_RFKILL=3Dy CONFIG_NET_9P=3Dy CONFIG_NET_9P_VIRTIO=3Dy @@ -249,7 +248,6 @@ CONFIG_AGP=3Dy CONFIG_AGP_AMD64=3Dy CONFIG_AGP_INTEL=3Dy CONFIG_DRM=3Dy -CONFIG_DRM_I915=3Dy CONFIG_DRM_VIRTIO_GPU=3Dy CONFIG_DRM_HYPERV=3Dy CONFIG_SOUND=3Dy @@ -266,7 +264,6 @@ CONFIG_HID_PANTHERLORD=3Dy CONFIG_PANTHERLORD_FF=3Dy CONFIG_HID_PETALYNX=3Dy CONFIG_HID_SAMSUNG=3Dy -CONFIG_HID_SONY=3Dy CONFIG_HID_SUNPLUS=3Dy CONFIG_HID_HYPERV_MOUSE=3Dy CONFIG_HID_TOPSEED=3Dy @@ -289,7 +286,6 @@ CONFIG_VIRTIO_INPUT=3Dy CONFIG_HYPERV=3Dy CONFIG_HYPERV_UTILS=3Dy CONFIG_HYPERV_BALLOON=3Dy -CONFIG_EEEPC_LAPTOP=3Dy CONFIG_AMD_IOMMU=3Dy CONFIG_INTEL_IOMMU=3Dy # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set @@ -306,7 +302,6 @@ CONFIG_ZISOFS=3Dy CONFIG_MSDOS_FS=3Dy CONFIG_VFAT_FS=3Dy CONFIG_PROC_KCORE=3Dy -CONFIG_TMPFS_POSIX_ACL=3Dy CONFIG_HUGETLBFS=3Dy CONFIG_NFS_FS=3Dy CONFIG_NFS_V3_ACL=3Dy