From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7A69C43334 for ; Wed, 22 Jun 2022 06:39:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234235AbiFVGi7 (ORCPT ); Wed, 22 Jun 2022 02:38:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350716AbiFVGiq (ORCPT ); Wed, 22 Jun 2022 02:38:46 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2402E33EA6; Tue, 21 Jun 2022 23:38:45 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id B7C881FA5C; Wed, 22 Jun 2022 06:38:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1655879923; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+Mw0ys4QNDOfeayffGgMX8B88kpTSJxdLQDajglpGuY=; b=LCVs0MbvhQNUhVhcKw0Gx4BjRA6mFWwQEuAQj795WvsjaDx3XJz3qFtwMtTQPA5LbOyk87 OoFglCNqL6Ouf6H3tU0YIMkaGx7B1rjpMdezz+TLJhEgpKvqmNmNXpBs3CC+xZlzR9/MnE T67fj5LW4wb7JP9B0hROZTNq/kZYhU4= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 8B0E313AC7; Wed, 22 Jun 2022 06:38:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id UEeiIPO4smKNUAAAMHmgww (envelope-from ); Wed, 22 Jun 2022 06:38:43 +0000 From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: Juergen Gross , Arnd Bergmann Subject: [PATCH v3 2/3] kernel: remove platform_has() infrastructure Date: Wed, 22 Jun 2022 08:38:37 +0200 Message-Id: <20220622063838.8854-3-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220622063838.8854-1-jgross@suse.com> References: <20220622063838.8854-1-jgross@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The only use case of the platform_has() infrastructure has been removed again, so remove the whole feature. Signed-off-by: Juergen Gross --- MAINTAINERS | 8 -------- include/asm-generic/Kbuild | 1 - include/asm-generic/platform-feature.h | 8 -------- include/linux/platform-feature.h | 15 -------------- kernel/Makefile | 2 +- kernel/platform-feature.c | 27 -------------------------- 6 files changed, 1 insertion(+), 60 deletions(-) delete mode 100644 include/asm-generic/platform-feature.h delete mode 100644 include/linux/platform-feature.h delete mode 100644 kernel/platform-feature.c diff --git a/MAINTAINERS b/MAINTAINERS index 3cf9842d9233..1a800f6becd2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15835,14 +15835,6 @@ S: Maintained F: Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml F: drivers/iio/chemical/pms7003.c -PLATFORM FEATURE INFRASTRUCTURE -M: Juergen Gross -S: Maintained -F: arch/*/include/asm/platform-feature.h -F: include/asm-generic/platform-feature.h -F: include/linux/platform-feature.h -F: kernel/platform-feature.c - PLDMFW LIBRARY M: Jacob Keller S: Maintained diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 8e47d483b524..302506bbc2a4 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -44,7 +44,6 @@ mandatory-y += msi.h mandatory-y += pci.h mandatory-y += percpu.h mandatory-y += pgalloc.h -mandatory-y += platform-feature.h mandatory-y += preempt.h mandatory-y += rwonce.h mandatory-y += sections.h diff --git a/include/asm-generic/platform-feature.h b/include/asm-generic/platform-feature.h deleted file mode 100644 index 4b0af3d51588..000000000000 --- a/include/asm-generic/platform-feature.h +++ /dev/null @@ -1,8 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_GENERIC_PLATFORM_FEATURE_H -#define _ASM_GENERIC_PLATFORM_FEATURE_H - -/* Number of arch specific feature flags. */ -#define PLATFORM_ARCH_FEAT_N 0 - -#endif /* _ASM_GENERIC_PLATFORM_FEATURE_H */ diff --git a/include/linux/platform-feature.h b/include/linux/platform-feature.h deleted file mode 100644 index 6ed859928b97..000000000000 --- a/include/linux/platform-feature.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _PLATFORM_FEATURE_H -#define _PLATFORM_FEATURE_H - -#include -#include - -/* The platform features are starting with the architecture specific ones. */ -#define PLATFORM_FEAT_N (0 + PLATFORM_ARCH_FEAT_N) - -void platform_set(unsigned int feature); -void platform_clear(unsigned int feature); -bool platform_has(unsigned int feature); - -#endif /* _PLATFORM_FEATURE_H */ diff --git a/kernel/Makefile b/kernel/Makefile index a7e1f49ab2b3..318789c728d3 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -7,7 +7,7 @@ obj-y = fork.o exec_domain.o panic.o \ cpu.o exit.o softirq.o resource.o \ sysctl.o capability.o ptrace.o user.o \ signal.o sys.o umh.o workqueue.o pid.o task_work.o \ - extable.o params.o platform-feature.o \ + extable.o params.o \ kthread.o sys_ni.o nsproxy.o \ notifier.o ksysfs.o cred.o reboot.o \ async.o range.o smpboot.o ucount.o regset.o diff --git a/kernel/platform-feature.c b/kernel/platform-feature.c deleted file mode 100644 index cb6a6c3e4fed..000000000000 --- a/kernel/platform-feature.c +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include -#include -#include -#include - -#define PLATFORM_FEAT_ARRAY_SZ BITS_TO_LONGS(PLATFORM_FEAT_N) -static unsigned long __read_mostly platform_features[PLATFORM_FEAT_ARRAY_SZ]; - -void platform_set(unsigned int feature) -{ - set_bit(feature, platform_features); -} -EXPORT_SYMBOL_GPL(platform_set); - -void platform_clear(unsigned int feature) -{ - clear_bit(feature, platform_features); -} -EXPORT_SYMBOL_GPL(platform_clear); - -bool platform_has(unsigned int feature) -{ - return test_bit(feature, platform_features); -} -EXPORT_SYMBOL_GPL(platform_has); -- 2.35.3