From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8958E186E for ; Tue, 3 Jan 2023 08:16:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ECB18C433EF; Tue, 3 Jan 2023 08:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672733806; bh=25qC0ZgW4q78Lon5SJsKaotj2wODqN9QDzEUbd20nVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A1jV+toHfnmeSC5Gftkva4VYQ7aRwwzIIb2+bg9EWXhEi1DqUF5C4T2/WRxsopqks hEHy2FHMLRbkwWC+Y23X61cJYvtPFwjR+pRBlFltlGwf8Q7TvOHoVSeHCSk1GRNB/x rbgs73A5zSHwRCiBs7zgeUXipikOgp4W3K1PGsbU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bruno Goncalves , Jens Axboe Subject: [PATCH 5.10 50/63] arch: ensure parisc/powerpc handle PF_IO_WORKER in copy_thread() Date: Tue, 3 Jan 2023 09:14:20 +0100 Message-Id: <20230103081311.593037298@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230103081308.548338576@linuxfoundation.org> References: <20230103081308.548338576@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jens Axboe [ Upstream commit 0100e6bbdbb79404e56939313662b42737026574 ] In the arch addition of PF_IO_WORKER, I missed parisc and powerpc for some reason. Fix that up, ensuring they handle PF_IO_WORKER like they do PF_KTHREAD in copy_thread(). Reported-by: Bruno Goncalves Fixes: 4727dc20e042 ("arch: setup PF_IO_WORKER threads like PF_KTHREAD") Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- arch/parisc/kernel/process.c | 2 +- arch/powerpc/kernel/process.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -200,7 +200,7 @@ copy_thread(unsigned long clone_flags, u extern void * const ret_from_kernel_thread; extern void * const child_return; - if (unlikely(p->flags & PF_KTHREAD)) { + if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) { /* kernel thread */ memset(cregs, 0, sizeof(struct pt_regs)); if (!usp) /* idle thread */ --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1684,7 +1684,7 @@ int copy_thread(unsigned long clone_flag /* Copy registers */ sp -= sizeof(struct pt_regs); childregs = (struct pt_regs *) sp; - if (unlikely(p->flags & PF_KTHREAD)) { + if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) { /* kernel thread */ memset(childregs, 0, sizeof(struct pt_regs)); childregs->gpr[1] = sp + sizeof(struct pt_regs);