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 B6052C43334 for ; Tue, 21 Jun 2022 19:16:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353182AbiFUTQ1 (ORCPT ); Tue, 21 Jun 2022 15:16:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353092AbiFUTQT (ORCPT ); Tue, 21 Jun 2022 15:16:19 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DEEB19034; Tue, 21 Jun 2022 12:16:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655838978; x=1687374978; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7oB2+/tAQ0YbLfBu8lpkzq06X+Z13qiz2lNUmx1L1VE=; b=lcYWsou+q5rKCkusMU1aZ/A6y8TdlzEIaX7h07N1R8kN+5lgzPz8pBAf xfXyDCqeQdYMA+IRRzi1UYwaP9n+VYomf3F+EvjPZmOLpZ3v3z3SJptFT ywI5i0WcNtY0tfM7xOLJWYYOLUCA7xcKUchOlYevJNqlcFLlu43m5eplc QRNBqF5BUHNpECtDCyBb85NMz/Uxh0mA8Kq6xourAV/tKc4K2yCWAlpZ2 ajo437g2aNOMxAARDH2gKbO1FBB2zEqX8lJ+bGqpEftqthO/WhIrOQNtc uaEJvLRQV7TnuWJlvQkrnAV0TdeztpIDnmenubFX8s+YNpQROoFtTgpGR w==; X-IronPort-AV: E=McAfee;i="6400,9594,10385"; a="280945616" X-IronPort-AV: E=Sophos;i="5.92,210,1650956400"; d="scan'208";a="280945616" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2022 12:16:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,210,1650956400"; d="scan'208";a="585403997" Received: from irvmail001.ir.intel.com ([10.43.11.63]) by orsmga007.jf.intel.com with ESMTP; 21 Jun 2022 12:16:11 -0700 Received: from newjersey.igk.intel.com (newjersey.igk.intel.com [10.102.20.203]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id 25LJG7oA012650; Tue, 21 Jun 2022 20:16:09 +0100 From: Alexander Lobakin To: Arnd Bergmann , Yury Norov Cc: Alexander Lobakin , Andy Shevchenko , Mark Rutland , Matt Turner , Brian Cain , Geert Uytterhoeven , Yoshinori Sato , Rich Felker , "David S. Miller" , Kees Cook , "Peter Zijlstra (Intel)" , Marco Elver , Borislav Petkov , Tony Luck , Maciej Fijalkowski , Jesse Brandeburg , Greg Kroah-Hartman , linux-alpha@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel test robot Subject: [PATCH v4 1/8] ia64, processor: fix -Wincompatible-pointer-types in ia64_get_irr() Date: Tue, 21 Jun 2022 21:15:46 +0200 Message-Id: <20220621191553.69455-2-alexandr.lobakin@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220621191553.69455-1-alexandr.lobakin@intel.com> References: <20220621191553.69455-1-alexandr.lobakin@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org test_bit(), as any other bitmap op, takes `unsigned long *` as a second argument (pointer to the actual bitmap), as any bitmap itself is an array of unsigned longs. However, the ia64_get_irr() code passes a ref to `u64` as a second argument. This works with the ia64 bitops implementation due to that they have `void *` as the second argument and then cast it later on. This works with the bitmap API itself due to that `unsigned long` has the same size on ia64 as `u64` (`unsigned long long`), but from the compiler PoV those two are different. Define @irr as `unsigned long` to fix that. That implies no functional changes. Has been hidden for 16 years! Fixes: a58786917ce2 ("[IA64] avoid broken SAL_CACHE_FLUSH implementations") Cc: stable@vger.kernel.org # 2.6.16+ Reported-by: kernel test robot Signed-off-by: Alexander Lobakin Reviewed-by: Andy Shevchenko Reviewed-by: Yury Norov --- arch/ia64/include/asm/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 7cbce290f4e5..757c2f6d8d4b 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -538,7 +538,7 @@ ia64_get_irr(unsigned int vector) { unsigned int reg = vector / 64; unsigned int bit = vector % 64; - u64 irr; + unsigned long irr; switch (reg) { case 0: irr = ia64_getreg(_IA64_REG_CR_IRR0); break; -- 2.36.1