From patchwork Fri May 27 15:46:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helge Deller X-Patchwork-Id: 12863547 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 lists.gnu.org (lists.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 3BAC0C433F5 for ; Fri, 27 May 2022 16:14:50 +0000 (UTC) Received: from localhost ([::1]:60188 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nucbw-0006Ai-So for qemu-devel@archiver.kernel.org; Fri, 27 May 2022 12:14:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40766) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nucAh-0007iS-J5 for qemu-devel@nongnu.org; Fri, 27 May 2022 11:46:39 -0400 Received: from mout.gmx.net ([212.227.15.18]:59553) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nucAf-0004Vm-Cv for qemu-devel@nongnu.org; Fri, 27 May 2022 11:46:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1653666394; bh=lb6AfMnF5QsVZU0TeMbKS3Aei46S9dmDNUs13+6NAko=; h=X-UI-Sender-Class:Date:From:To:Cc:Subject; b=Ys4v1FbzU46H0rX13FIB+tbTDTbJIHHnsP4ju/6+HLAu5DP/YMauSE599TRdZSK6e nbJ2gO+hR8sPSj5h9sBxRve1isk5FGaf8PHUuYbndVf6ns0V1K7KjQbOrREQOnIua3 B8FDUneBvUJZsQji+nAmcWytAhAe2neQpWrl6Y7k= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from p100 ([92.116.153.1]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MUXpK-1oKuSn3Sng-00QSFe; Fri, 27 May 2022 17:46:33 +0200 Date: Fri, 27 May 2022 17:46:32 +0200 From: Helge Deller To: Laurent Vivier , qemu-devel@nongnu.org Cc: dave.anglin@bell.net Subject: [PATCH] linux-user: Adjust child_tidptr on set_tid_address() syscall Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Provags-ID: V03:K1:Ostij1QK1RaH+U3bpGsbafiKT7lVwUgdMvbAwjzkKrNQoXPlLw3 yLeRk4S0dumTgb4jJDiXVCozfYpEvXEpElips29SedenKLAJc5YnqqKoLcx6A16x9U5xCFh 6aNAUscv5SwK5+3zvEEs59X7fnxOZ5bYtnkBW4zFeAy8k9JcD+Tqb4cNOyWsb8YuWIIkiCO ukxUybv1tinc+m6wM4XxA== X-UI-Out-Filterresults: notjunk:1;V03:K0:7N5G3soUaAw=:VAPt1A6ORN3CQsXt9V1M9T 3OPQXKbwSvpD5AMd7teYy1YUbMr7ZHVGuw4cVZPmtddEFEQQ65JjA/2BRwH0KXpmkkxPakBvb j0LfHYs03PkF41pRZKjlzZKI6tTZZfs0ceESLEnKMdqWD1S1e1zF9udiG3F6XOIGEkUEQ/M38 hPaqzldCRYDQ9uyTtWSgXanYb96JkNaktC7uA8tL2PNd2Ox4cn7uFG/IH4jRkVR4kY5+vd8Ux uiMnxzFxYvMOsO6zhJwh+CwCya3qKXetPP3NAPp23Xm5w9pATHYWMRds4LY/bDb0PBfcWGvWn bK40wVzKlz+vOKBdT5Q8tu9A5bwZecjWzkptzHIG/Edsi05F3cc3e5pmjk1OOwLNOu6lFhcE8 d8mjaQARMR6qZq5rjoZYtN3JLpIDBEJWyw4WKBh7C15StyeNgA+pl9Xg4I5wMyCaHThTnAAib dEO2nci45i6FWRsLU/WZzPf/deYqca9qXI1UATsmIAz3jHaephc+i4cWY4LMJ/qnvqJenxEv6 luwYvjU+egNzosr6k5fp3Xtugo2QZiEAbVi8Ve7CDrxNJS5DkHfS7C2Vj//YPNXJ++FUpDJJH 6KzPeKDD8CAEIw9BznOV83bF6QdLYG0S9YVkAIj49JCeQEnWJuFJS4AmQbye1ORDYuW07/ijU S0hWKQaxA7JsaZlrMRv5kRZmJq53vSoQdf/1YHsWaITwnXdaGx6UIw6X4axRLdcuFNSlN6zbo qKvudLMQ3/pG8FmrWPBZkzAMlSl7P8G0/xGAUq/ZVeUTgI/hsEoxUigut5kDIhKVgINpJfXiP Ipb5B7cqbW3PABAZ+f3LFx+aiUMteyP/KoCArOncrT7aQxLrhd9KJRutXnG5gHvCb7sBrgdFx 2Vct0U5YPrZL5DjCXYDBRVlCy2LrrVsByu6insinfwNPk+TCS0jy5eGuPfHMOvLtEPE4PIITQ XGjqr3BeASRtMxlqan821LDeIdX1aUfbPj2SeeKu1nH39ePG9eeEAGixaUROwEMGcp/Pss5kH CJ9hwoH4AVqLc13GEgzooEVKC2SmgFqmgw2H6XVCwbK46nyW04Jx7vUAPfYu9mbB8NSqqoVm9 abLhvlYqXWTOAw5Ylhv73Gz/A0igNR19J2k5F6bWkJ2s5JyyJRlsGjg+Q== Received-SPF: pass client-ip=212.227.15.18; envelope-from=deller@gmx.de; helo=mout.gmx.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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" Keep track of the new child tidptr given by a set_tid_address() syscall. Signed-off-by: Helge Deller Signed-off-by: Helge Deller Reviewed-by: Richard Henderson diff --git a/linux-user/syscall.c b/linux-user/syscall.c index f65045efe6..fdf5c1c03e 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -12202,7 +12202,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) case TARGET_NR_set_tid_address: - return get_errno(set_tid_address((int *)g2h(cpu, arg1))); + { + TaskState *ts = cpu->opaque; + ts->child_tidptr = arg1; + return get_errno(set_tid_address((int *)g2h(cpu, ts->child_tidptr))); + } #endif case TARGET_NR_tkill: