From patchwork Mon Jul 17 12:55:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13315608 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 8A08AC04E69 for ; Mon, 17 Jul 2023 12:55:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230305AbjGQMz2 (ORCPT ); Mon, 17 Jul 2023 08:55:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229790AbjGQMz1 (ORCPT ); Mon, 17 Jul 2023 08:55:27 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A7A7E4C; Mon, 17 Jul 2023 05:55:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689598526; x=1721134526; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/GbUJlxD6B4ZMSBm1ruFiwzehTQGXiEYVbSNTGBn/Ao=; b=CRlxjRW3T6GtHZn0QYyfdWzvN1TseGEP+hJizju8ySbE+5aiVqIPomKJ kdaEdq9La9thKblQqcKNzfY5tKjSe+JNVKKfmtpp1RcegvNqeW0FfSwD+ yo8GOUoN/JRPlPgRAV8JrDyJVL1qdePft1+RQL7ykRdsnQp0wsmarJRrR 2Im0Xm5xdIO4NVGeEK9UFXAHxxmcrxmmk6TstUdtHqWwfUl2gGAHHddtS JBEWlNGuWBzre/l4UX5YimdHzOGCZNLv9H+ju60iIZWEKYu7zLB/dhF1e AlI3EA7NXlOecFzmbBAscuno6T4AC9SADYRp2a7QrQuqWuVeMxWlGCu3z w==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="452295038" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="452295038" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 05:55:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="752886765" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="752886765" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 17 Jul 2023 05:55:17 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id D070624F; Mon, 17 Jul 2023 15:55:23 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Shuah Khan , David Gow , Daniel Latypov , "Steven Rostedt (Google)" , Bjorn Helgaas , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Brendan Higgins , Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Masami Hiramatsu , Andrew Morton Subject: [PATCH v3 1/4] kernel.h: Split out COUNT_ARGS() and CONCATENATE() to args.h Date: Mon, 17 Jul 2023 15:55:18 +0300 Message-Id: <20230717125521.43176-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> References: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org kernel.h is being used as a dump for all kinds of stuff for a long time. The COUNT_ARGS() and CONCATENATE() macros may be used in some places without need of the full kernel.h dependency train with it. Here is the attempt on cleaning it up by splitting out these macros(). While at it, include new header where it's being used. Signed-off-by: Andy Shevchenko Acked-by: Steven Rostedt (Google) --- include/kunit/test.h | 1 + include/linux/args.h | 28 ++++++++++++++++++++++++++++ include/linux/kernel.h | 7 ------- include/linux/pci.h | 2 +- include/trace/bpf_probe.h | 2 ++ 5 files changed, 32 insertions(+), 8 deletions(-) create mode 100644 include/linux/args.h diff --git a/include/kunit/test.h b/include/kunit/test.h index 23120d50499e..107c81431634 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -12,6 +12,7 @@ #include #include +#include #include #include #include diff --git a/include/linux/args.h b/include/linux/args.h new file mode 100644 index 000000000000..8ff60a54eb7d --- /dev/null +++ b/include/linux/args.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _LINUX_ARGS_H +#define _LINUX_ARGS_H + +/* + * How do these macros work? + * + * In __COUNT_ARGS() _0 to _12 are just placeholders from the start + * in order to make sure _n is positioned over the correct number + * from 12 to 0 (depending on X, which is a variadic argument list). + * They serve no purpose other than occupying a position. Since each + * macro parameter must have a distinct identifier, those identifiers + * are as good as any. + * + * In COUNT_ARGS() we use actual integers, so __COUNT_ARGS() returns + * that as _n. + */ + +/* This counts to 12. Any more, it will return 13th argument. */ +#define __COUNT_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n +#define COUNT_ARGS(X...) __COUNT_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) + +/* Concatenate two parameters, but allow them to be expanded beforehand. */ +#define __CONCAT(a, b) a ## b +#define CONCATENATE(a, b) __CONCAT(a, b) + +#endif /* _LINUX_ARGS_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 0b00e1aef33d..15d9496db169 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -419,13 +419,6 @@ ftrace_vprintk(const char *fmt, va_list ap) static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { } #endif /* CONFIG_TRACING */ -/* This counts to 12. Any more, it will return 13th argument. */ -#define __COUNT_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n -#define COUNT_ARGS(X...) __COUNT_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) - -#define __CONCAT(a, b) a ## b -#define CONCATENATE(a, b) __CONCAT(a, b) - /* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */ #ifdef CONFIG_FTRACE_MCOUNT_RECORD # define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD diff --git a/include/linux/pci.h b/include/linux/pci.h index 0ff7500772e6..eeb2e6f6130f 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -23,7 +23,7 @@ #ifndef LINUX_PCI_H #define LINUX_PCI_H - +#include #include #include diff --git a/include/trace/bpf_probe.h b/include/trace/bpf_probe.h index 1f7fc1fc590c..e609cd7da47e 100644 --- a/include/trace/bpf_probe.h +++ b/include/trace/bpf_probe.h @@ -12,6 +12,8 @@ #undef __perf_task #define __perf_task(t) (t) +#include + /* cast any integer, pointer, or small struct to u64 */ #define UINTTYPE(size) \ __typeof__(__builtin_choose_expr(size == 1, (u8)1, \ From patchwork Mon Jul 17 12:55:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13315611 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 B9268C001DF for ; Mon, 17 Jul 2023 12:55:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230109AbjGQMzb (ORCPT ); Mon, 17 Jul 2023 08:55:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230147AbjGQMz1 (ORCPT ); Mon, 17 Jul 2023 08:55:27 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE5501B0; Mon, 17 Jul 2023 05:55:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689598526; x=1721134526; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VqCLuF6+Bx4Auyc0wAAAKOAjCrnRB30KAZm7eJddByA=; b=A/8xH1mduUSXiRwXaJutZJN9Nrdf/MDIfnUkkpC5UbjYNzOkPu9vdlrn +4MZt4zoICdX8XLTiAuHOOn4ei1eJsXs7/Ly2WsJoeznJQuEn/nH9dnyC uUtewIaQB1SDfJmkMH++j30ffJI9oEi6mHBkvILr3CqqeAuLIi1yruhYO 3dLDTCWrbXDadGk6vmCMBFlWRW0eP4q0TawuFhw0xXMtdMuUR4g63YjPT oqWjQwGsONNuq/RV8RIXmUFMzBBOAE03w2Wr5UHQQN6almP5v0oVEYApQ vreW83qepjMu6SDDgZVtGu3BVtMKw9tS4WgX6lfNtAnv7gxCq/FHhGrnJ g==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="429680675" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="429680675" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 05:55:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="793234537" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="793234537" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga004.fm.intel.com with ESMTP; 17 Jul 2023 05:55:17 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DC6B0370; Mon, 17 Jul 2023 15:55:23 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Shuah Khan , David Gow , Daniel Latypov , "Steven Rostedt (Google)" , Bjorn Helgaas , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Brendan Higgins , Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Masami Hiramatsu , Andrew Morton Subject: [PATCH v3 2/4] x86/asm: Replace custom COUNT_ARGS() & CONCATENATE() implementations Date: Mon, 17 Jul 2023 15:55:19 +0300 Message-Id: <20230717125521.43176-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> References: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org Replace custom implementation of the macros from args.h. Signed-off-by: Andy Shevchenko --- arch/x86/include/asm/rmwcc.h | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h index 7fa611216417..4b081e0d3306 100644 --- a/arch/x86/include/asm/rmwcc.h +++ b/arch/x86/include/asm/rmwcc.h @@ -2,12 +2,7 @@ #ifndef _ASM_X86_RMWcc #define _ASM_X86_RMWcc -/* This counts to 12. Any more, it will return 13th argument. */ -#define __RMWcc_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n -#define RMWcc_ARGS(X...) __RMWcc_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) - -#define __RMWcc_CONCAT(a, b) a ## b -#define RMWcc_CONCAT(a, b) __RMWcc_CONCAT(a, b) +#include #define __CLOBBERS_MEM(clb...) "memory", ## clb @@ -48,7 +43,7 @@ cc_label: c = true; \ #define GEN_UNARY_RMWcc_3(op, var, cc) \ GEN_UNARY_RMWcc_4(op, var, cc, "%[var]") -#define GEN_UNARY_RMWcc(X...) RMWcc_CONCAT(GEN_UNARY_RMWcc_, RMWcc_ARGS(X))(X) +#define GEN_UNARY_RMWcc(X...) CONCATENATE(GEN_UNARY_RMWcc_, COUNT_ARGS(X))(X) #define GEN_BINARY_RMWcc_6(op, var, cc, vcon, _val, arg0) \ __GEN_RMWcc(op " %[val], " arg0, var, cc, \ @@ -57,7 +52,7 @@ cc_label: c = true; \ #define GEN_BINARY_RMWcc_5(op, var, cc, vcon, val) \ GEN_BINARY_RMWcc_6(op, var, cc, vcon, val, "%[var]") -#define GEN_BINARY_RMWcc(X...) RMWcc_CONCAT(GEN_BINARY_RMWcc_, RMWcc_ARGS(X))(X) +#define GEN_BINARY_RMWcc(X...) CONCATENATE(GEN_BINARY_RMWcc_, COUNT_ARGS(X))(X) #define GEN_UNARY_SUFFIXED_RMWcc(op, suffix, var, cc, clobbers...) \ __GEN_RMWcc(op " %[var]\n\t" suffix, var, cc, \ From patchwork Mon Jul 17 12:55:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13315610 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 21A2BC001DC for ; Mon, 17 Jul 2023 12:55:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230355AbjGQMz3 (ORCPT ); Mon, 17 Jul 2023 08:55:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230097AbjGQMz1 (ORCPT ); Mon, 17 Jul 2023 08:55:27 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01736E47; Mon, 17 Jul 2023 05:55:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689598527; x=1721134527; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=TFjSGVzAb16V95A9zQhmH/l3kdP7s0g4O6C6hLY90VQ=; b=PeIVtbi5B63FMyemJI+BPCTjLzEHfhfsgf7c22qIQO5Ji5vYGS7+41RP BXud/9DHpujTHk1E/eTqDrv8qIk1kWu3lGhvZ3DxBOE7i0Oyazpiv0zsR /o6nQ5y5bx9m8P4eZI0igHXLafmqwyrkOh7CbTSkc+yfMUsO9ypqnUKdM QM0I54YPwY9xbb0hcdr6GL8dOMQ915d3QtgNhmDaGB9Ux4FtBVvH2yZlt h8s9ZVHyfXaiHQ9BpKNF0HJt1iuEDuvo4gqMmgmJNuK9D8lNmOlm3g49H zPg2jfMQL9f2e9XSYVxqgOQ3CPHFUf9Fl3ZkClOOK5vpU9Zy7RQJxheJb w==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="429680689" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="429680689" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 05:55:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="793234538" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="793234538" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga004.fm.intel.com with ESMTP; 17 Jul 2023 05:55:17 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id E84D5516; Mon, 17 Jul 2023 15:55:23 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Shuah Khan , David Gow , Daniel Latypov , "Steven Rostedt (Google)" , Bjorn Helgaas , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Brendan Higgins , Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Masami Hiramatsu , Andrew Morton Subject: [PATCH v3 3/4] arm64: smccc: Replace custom COUNT_ARGS() & CONCATENATE() implementations Date: Mon, 17 Jul 2023 15:55:20 +0300 Message-Id: <20230717125521.43176-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> References: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org Replace custom implementation of the macros from args.h. Signed-off-by: Andy Shevchenko --- include/linux/arm-smccc.h | 27 ++++++++++----------------- 1 file changed, 10 insertions(+), 17 deletions(-) diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index f196c19f8e55..2865b14c2bba 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -5,6 +5,7 @@ #ifndef __LINUX_ARM_SMCCC_H #define __LINUX_ARM_SMCCC_H +#include #include #include @@ -413,11 +414,6 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, #endif -#define ___count_args(_0, _1, _2, _3, _4, _5, _6, _7, _8, x, ...) x - -#define __count_args(...) \ - ___count_args(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1, 0) - #define __constraint_read_0 "r" (arg0) #define __constraint_read_1 __constraint_read_0, "r" (arg1) #define __constraint_read_2 __constraint_read_1, "r" (arg2) @@ -475,14 +471,6 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res); \ register typeof(a7) arg7 asm("r7") = __a7 -#define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__) -#define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__) - -#define ___constraints(count) \ - : __constraint_read_ ## count \ - : smccc_sve_clobbers "memory" -#define __constraints(count) ___constraints(count) - /* * We have an output list that is not necessarily used, and GCC feels * entitled to optimise the whole sequence away. "volatile" is what @@ -494,11 +482,13 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, register unsigned long r1 asm("r1"); \ register unsigned long r2 asm("r2"); \ register unsigned long r3 asm("r3"); \ - __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \ + CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \ asm volatile(SMCCC_SVE_CHECK \ inst "\n" : \ "=r" (r0), "=r" (r1), "=r" (r2), "=r" (r3) \ - __constraints(__count_args(__VA_ARGS__))); \ + : CONCATENATE(__constraint_read_, \ + COUNT_ARGS(__VA_ARGS__)) \ + : smccc_sve_clobbers "memory"); \ if (___res) \ *___res = (typeof(*___res)){r0, r1, r2, r3}; \ } while (0) @@ -542,8 +532,11 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, */ #define __fail_smccc_1_1(...) \ do { \ - __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \ - asm ("" : __constraints(__count_args(__VA_ARGS__))); \ + CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \ + asm ("" : \ + : CONCATENATE(__constraint_read_, \ + COUNT_ARGS(__VA_ARGS__)) \ + : smccc_sve_clobbers "memory"); \ if (___res) \ ___res->a0 = SMCCC_RET_NOT_SUPPORTED; \ } while (0) From patchwork Mon Jul 17 12:55:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13315607 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 B9048C001DC for ; Mon, 17 Jul 2023 12:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229883AbjGQMz1 (ORCPT ); Mon, 17 Jul 2023 08:55:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229774AbjGQMz0 (ORCPT ); Mon, 17 Jul 2023 08:55:26 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6F96E47; Mon, 17 Jul 2023 05:55:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689598524; x=1721134524; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MK2n2OSkVqVYu9YHHQNwvJQ+yMJ1cHclPzK02uREhtk=; b=cNekgUbg7L2cr9vERT4MGchD/T8Vd6IO86JnMSJdZuof3GLyvZjGMHuy X1FhTleXcH+DOMgSA3nUV25/iZhZtAeB+XjEVvjDl6t7K5L/xmDCd0a/t 7M/j1p4QlTqrkoinhz5UQh7zkKoAB0FO97DXhbP1ZsXjF6S1kpmzjeWfv oMX4kcsGBtD69dp4tVlRBVsyCsRk/0gtANa8h/fq2ecKyOZVr9MfEwrgP vPeVG/D2GFcAFVEwggmjy4sBUlaR+2GgKsUOvYhS5CNN4+S0gIqdCMnNX LUuH9hdaOQEIAxbt2ClMcLRULfuvrD2DG6inS5I37rWbABHuMW4Tbwp3E A==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="452295022" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="452295022" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 05:55:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="752886763" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="752886763" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 17 Jul 2023 05:55:17 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 000055FC; Mon, 17 Jul 2023 15:55:23 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Shuah Khan , David Gow , Daniel Latypov , "Steven Rostedt (Google)" , Bjorn Helgaas , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Brendan Higgins , Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Masami Hiramatsu , Andrew Morton Subject: [PATCH v3 4/4] genetlink: Replace custom CONCATENATE() implementation Date: Mon, 17 Jul 2023 15:55:21 +0300 Message-Id: <20230717125521.43176-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> References: <20230717125521.43176-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org Replace custom implementation of the macros from args.h. Signed-off-by: Andy Shevchenko --- include/linux/genl_magic_func.h | 27 ++++++++++++++------------- include/linux/genl_magic_struct.h | 8 +++----- 2 files changed, 17 insertions(+), 18 deletions(-) diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h index 2984b0cb24b1..d4da060b7532 100644 --- a/include/linux/genl_magic_func.h +++ b/include/linux/genl_magic_func.h @@ -2,6 +2,7 @@ #ifndef GENL_MAGIC_FUNC_H #define GENL_MAGIC_FUNC_H +#include #include #include @@ -23,7 +24,7 @@ #define GENL_struct(tag_name, tag_number, s_name, s_fields) \ [tag_name] = { .type = NLA_NESTED }, -static struct nla_policy CONCAT_(GENL_MAGIC_FAMILY, _tla_nl_policy)[] = { +static struct nla_policy CONCATENATE(GENL_MAGIC_FAMILY, _tla_nl_policy)[] = { #include GENL_MAGIC_INCLUDE_FILE }; @@ -209,7 +210,7 @@ static int s_name ## _from_attrs_for_change(struct s_name *s, \ * Magic: define op number to op name mapping {{{1 * {{{2 */ -static const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) +static const char *CONCATENATE(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) { switch (cmd) { #undef GENL_op @@ -235,7 +236,7 @@ static const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) .cmd = op_name, \ }, -#define ZZZ_genl_ops CONCAT_(GENL_MAGIC_FAMILY, _genl_ops) +#define ZZZ_genl_ops CONCATENATE(GENL_MAGIC_FAMILY, _genl_ops) static struct genl_ops ZZZ_genl_ops[] __read_mostly = { #include GENL_MAGIC_INCLUDE_FILE }; @@ -248,32 +249,32 @@ static struct genl_ops ZZZ_genl_ops[] __read_mostly = { * and provide register/unregister functions. * {{{2 */ -#define ZZZ_genl_family CONCAT_(GENL_MAGIC_FAMILY, _genl_family) +#define ZZZ_genl_family CONCATENATE(GENL_MAGIC_FAMILY, _genl_family) static struct genl_family ZZZ_genl_family; /* * Magic: define multicast groups * Magic: define multicast group registration helper */ -#define ZZZ_genl_mcgrps CONCAT_(GENL_MAGIC_FAMILY, _genl_mcgrps) +#define ZZZ_genl_mcgrps CONCATENATE(GENL_MAGIC_FAMILY, _genl_mcgrps) static const struct genl_multicast_group ZZZ_genl_mcgrps[] = { #undef GENL_mc_group #define GENL_mc_group(group) { .name = #group, }, #include GENL_MAGIC_INCLUDE_FILE }; -enum CONCAT_(GENL_MAGIC_FAMILY, group_ids) { +enum CONCATENATE(GENL_MAGIC_FAMILY, group_ids) { #undef GENL_mc_group -#define GENL_mc_group(group) CONCAT_(GENL_MAGIC_FAMILY, _group_ ## group), +#define GENL_mc_group(group) CONCATENATE(GENL_MAGIC_FAMILY, _group_ ## group), #include GENL_MAGIC_INCLUDE_FILE }; #undef GENL_mc_group #define GENL_mc_group(group) \ -static int CONCAT_(GENL_MAGIC_FAMILY, _genl_multicast_ ## group)( \ +static int CONCATENATE(GENL_MAGIC_FAMILY, _genl_multicast_ ## group)( \ struct sk_buff *skb, gfp_t flags) \ { \ unsigned int group_id = \ - CONCAT_(GENL_MAGIC_FAMILY, _group_ ## group); \ + CONCATENATE(GENL_MAGIC_FAMILY, _group_ ## group); \ return genlmsg_multicast(&ZZZ_genl_family, skb, 0, \ group_id, flags); \ } @@ -289,8 +290,8 @@ static struct genl_family ZZZ_genl_family __ro_after_init = { #ifdef GENL_MAGIC_FAMILY_HDRSZ .hdrsize = NLA_ALIGN(GENL_MAGIC_FAMILY_HDRSZ), #endif - .maxattr = ARRAY_SIZE(CONCAT_(GENL_MAGIC_FAMILY, _tla_nl_policy))-1, - .policy = CONCAT_(GENL_MAGIC_FAMILY, _tla_nl_policy), + .maxattr = ARRAY_SIZE(CONCATENATE(GENL_MAGIC_FAMILY, _tla_nl_policy))-1, + .policy = CONCATENATE(GENL_MAGIC_FAMILY, _tla_nl_policy), .ops = ZZZ_genl_ops, .n_ops = ARRAY_SIZE(ZZZ_genl_ops), .mcgrps = ZZZ_genl_mcgrps, @@ -299,12 +300,12 @@ static struct genl_family ZZZ_genl_family __ro_after_init = { .module = THIS_MODULE, }; -int CONCAT_(GENL_MAGIC_FAMILY, _genl_register)(void) +int CONCATENATE(GENL_MAGIC_FAMILY, _genl_register)(void) { return genl_register_family(&ZZZ_genl_family); } -void CONCAT_(GENL_MAGIC_FAMILY, _genl_unregister)(void) +void CONCATENATE(GENL_MAGIC_FAMILY, _genl_unregister)(void) { genl_unregister_family(&ZZZ_genl_family); } diff --git a/include/linux/genl_magic_struct.h b/include/linux/genl_magic_struct.h index f81d48987528..a419d93789ff 100644 --- a/include/linux/genl_magic_struct.h +++ b/include/linux/genl_magic_struct.h @@ -14,14 +14,12 @@ # error "you need to define GENL_MAGIC_INCLUDE_FILE before inclusion" #endif +#include #include #include -#define CONCAT__(a,b) a ## b -#define CONCAT_(a,b) CONCAT__(a,b) - -extern int CONCAT_(GENL_MAGIC_FAMILY, _genl_register)(void); -extern void CONCAT_(GENL_MAGIC_FAMILY, _genl_unregister)(void); +extern int CONCATENATE(GENL_MAGIC_FAMILY, _genl_register)(void); +extern void CONCATENATE(GENL_MAGIC_FAMILY, _genl_unregister)(void); /* * Extension of genl attribute validation policies {{{2