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 lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C84EDFF8860 for ; Sat, 25 Apr 2026 15:53:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wGfIm-00085q-BF; Sat, 25 Apr 2026 11:52:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wGfIV-00080c-8A for qemu-devel@nongnu.org; Sat, 25 Apr 2026 11:52:00 -0400 Received: from tor.source.kernel.org ([172.105.4.254]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wGfIS-00012i-EA for qemu-devel@nongnu.org; Sat, 25 Apr 2026 11:51:58 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 9DCBE600AE; Sat, 25 Apr 2026 15:51:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5973C2BCB0; Sat, 25 Apr 2026 15:51:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777132315; bh=WKjvKh3WS9aFV3WDMKRIHdU/l7XY2HCHrBoFujAWcmo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IuK9+2/Kzv45kxn55JGrCq2cK4wb6wfaKmO2Zt3ZifjomNPOXTKPSltJ7/5zeEA6c NYgV1Dc7mnTo6TGRrc9730Nhd6GYYITELtdgFEGQ6nDnHchwr6ZHqqKZfbYH4XeLkX kYS2ofre6hPRXDuahN+rRSRojBdrVh5Grcastj5HrchKMsbZtzkhYUm2GMGXPqeyBV rM6Rz7n4aFevTHG5GxRq1dCMVqLm/Tp4CNwFlCWsZwLEAUAf1bNuk3WLZMgAINf1LO PYTb2N6e9wWQLC4om8b5mYhloRx8OBPJrVFN1FA0359MtjJ06HaLJwdpNg3n5Jb3Fe NFwZkhkM6qkmg== From: Helge Deller To: qemu-devel@nongnu.org Cc: Helge Deller , Jiaxun Yang , Laurent Vivier , Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 06/14] linux-user/arm/nwfpe: Use thread-local storage for qemufpa Date: Sat, 25 Apr 2026 17:51:32 +0200 Message-ID: <20260425155140.50186-7-deller@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260425155140.50186-1-deller@kernel.org> References: <20260425155140.50186-1-deller@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=172.105.4.254; envelope-from=deller@kernel.org; helo=tor.source.kernel.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Richard Henderson Fix the thread safety of the emulation by not storing a pointer in global storage. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Helge Deller --- linux-user/arm/nwfpe/fpa11.c | 3 +-- linux-user/arm/nwfpe/fpa11.h | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/linux-user/arm/nwfpe/fpa11.c b/linux-user/arm/nwfpe/fpa11.c index 44783934b2..15888463f7 100644 --- a/linux-user/arm/nwfpe/fpa11.c +++ b/linux-user/arm/nwfpe/fpa11.c @@ -29,7 +29,7 @@ //#include -FPA11* qemufpa = NULL; +__thread FPA11* qemufpa = NULL; /* Reset the FPA11 chip. Called to initialize and reset the emulator. */ void resetFPA11(void) @@ -154,7 +154,6 @@ void SetRoundingPrecision(const unsigned int opcode) } /* Emulate the instruction in the opcode. */ -/* ??? This is not thread safe. */ unsigned int EmulateAll(unsigned int opcode, FPA11* qfpa) { unsigned int nRc = 0; diff --git a/linux-user/arm/nwfpe/fpa11.h b/linux-user/arm/nwfpe/fpa11.h index 20f9d2eb81..659d38ae3a 100644 --- a/linux-user/arm/nwfpe/fpa11.h +++ b/linux-user/arm/nwfpe/fpa11.h @@ -74,7 +74,7 @@ typedef struct tagFPA11 { float_status fp_status; /* QEMU float emulator status */ } FPA11; -extern FPA11* qemufpa; +extern __thread FPA11* qemufpa; void resetFPA11(void); void SetRoundingMode(const unsigned int); -- 2.53.0