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 152777A728; Wed, 24 Jan 2024 14:31:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706106718; cv=none; b=NXOWnLVtNyCK4rfVMfo65vEJRMLigsPKe76+n0st2FUJVNIwhkeVidXRkibnk/r5q29jWLrRekpbZ0kf+OwPqvSrizrqPr1FwoUZMMmwFAEfYGyp3D2799HAt5Vd5pmTiI6seZdrj8Cfwjbinob00QDB+/4MtxGqtU3uAWvDS2s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706106718; c=relaxed/simple; bh=BBf0Tuwx4NrIr3rRhiQ+CrI7EiIN8xrZgPI5ENtuCvY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SW2y+w1thvVVBpizmYky7YIIue1MeGuYZlBr6zHdQCgnEUt6TFowOFuXJAJcvoPyNXTk+ahRyj1B8/pXdNnB8iXGweGPf0XWDVHbbHhYim3V88y1nELd5zvzQIuk0R0t6SQ8oWn4u3t/os/cBcYn2C9PKbuoENrj2xYRF3jWtQY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YJbZB/n/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YJbZB/n/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D9D8C433F1; Wed, 24 Jan 2024 14:31:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706106717; bh=BBf0Tuwx4NrIr3rRhiQ+CrI7EiIN8xrZgPI5ENtuCvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YJbZB/n/8u1AQ1xIsAk6yG1yU9pSrdwsLDn8MGfj9YpNqKRuQR1HwLn4XfggjS/UI 2D0AFNmlsc4BWJ6hbnCx6qjZppvBLXJm2ZbJ7tNJ6p7zjWTk1ljA4Q323QZX/jm1k/ HMUIAS/RA0isjC711s3q79fQU4jLf8YmDu/ZCRx1kozc+E1OCdbv0wg8pvpCUWUvK0 IMQPOLiLUa5TEGFBcnTi46rFG2qGDEFERz4zHP3n8w/r3dgsMqJoQoFCj1uhVZvl5f YVurDL05B06YEnW2kNe0cbupYmv88E50v0mkHftmpLcNPR9/0EWpMe7OQabBT3zeVz ixZdzcQOURjAA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Anton Ivanov , Peter Lafreniere , Richard Weinberger , Sasha Levin , johannes@sipsolutions.net, benjamin@sipsolutions.net, linux-um@lists.infradead.org Subject: [PATCH AUTOSEL 4.19 2/5] um: Fix naming clash between UML and scheduler Date: Wed, 24 Jan 2024 09:31:37 -0500 Message-ID: <20240124143149.1284622-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240124143149.1284622-1-sashal@kernel.org> References: <20240124143149.1284622-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 4.19.305 Content-Transfer-Encoding: 8bit From: Anton Ivanov [ Upstream commit 541d4e4d435c8b9bfd29f70a1da4a2db97794e0a ] __cant_sleep was already used and exported by the scheduler. The name had to be changed to a UML specific one. Signed-off-by: Anton Ivanov Reviewed-by: Peter Lafreniere Signed-off-by: Richard Weinberger Signed-off-by: Sasha Levin --- arch/um/include/shared/kern_util.h | 2 +- arch/um/kernel/process.c | 2 +- arch/um/os-Linux/helper.c | 6 +++--- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h index 35ab97e4bb9b..f2da8347d5f5 100644 --- a/arch/um/include/shared/kern_util.h +++ b/arch/um/include/shared/kern_util.h @@ -49,7 +49,7 @@ extern void do_uml_exitcalls(void); * Are we disallowed to sleep? Used to choose between GFP_KERNEL and * GFP_ATOMIC. */ -extern int __cant_sleep(void); +extern int __uml_cant_sleep(void); extern int get_current_pid(void); extern int copy_from_user_proc(void *to, void *from, int size); extern int cpu(void); diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 691b83b10649..c9d09d04d19d 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -210,7 +210,7 @@ void arch_cpu_idle(void) local_irq_enable(); } -int __cant_sleep(void) { +int __uml_cant_sleep(void) { return in_atomic() || irqs_disabled() || in_interrupt(); /* Is in_interrupt() really needed? */ } diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c index 3f02d4232812..53d450e4a53a 100644 --- a/arch/um/os-Linux/helper.c +++ b/arch/um/os-Linux/helper.c @@ -45,7 +45,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv) unsigned long stack, sp; int pid, fds[2], ret, n; - stack = alloc_stack(0, __cant_sleep()); + stack = alloc_stack(0, __uml_cant_sleep()); if (stack == 0) return -ENOMEM; @@ -69,7 +69,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv) data.pre_data = pre_data; data.argv = argv; data.fd = fds[1]; - data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) : + data.buf = __uml_cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) : uml_kmalloc(PATH_MAX, UM_GFP_KERNEL); pid = clone(helper_child, (void *) sp, CLONE_VM, &data); if (pid < 0) { @@ -116,7 +116,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags, unsigned long stack, sp; int pid, status, err; - stack = alloc_stack(0, __cant_sleep()); + stack = alloc_stack(0, __uml_cant_sleep()); if (stack == 0) return -ENOMEM; -- 2.43.0