From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:54482 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751872AbdHGUis (ORCPT ); Mon, 7 Aug 2017 16:38:48 -0400 Subject: Patch "parisc: Increase thread and stack size to 32kb" has been added to the 4.4-stable tree To: deller@gmx.de, gregkh@linuxfoundation.org Cc: , From: Date: Mon, 07 Aug 2017 13:38:45 -0700 Message-ID: <1502138325172235@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled parisc: Increase thread and stack size to 32kb to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: parisc-increase-thread-and-stack-size-to-32kb.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 8f8201dfed91a43ac38c899c82f81eef3d36afd9 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Mon, 31 Jul 2017 08:38:27 +0200 Subject: parisc: Increase thread and stack size to 32kb From: Helge Deller commit 8f8201dfed91a43ac38c899c82f81eef3d36afd9 upstream. Since kernel 4.11 the thread and irq stacks on parisc randomly overflow the default size of 16k. The reason why stack usage suddenly grew is yet unknown. Signed-off-by: Helge Deller Signed-off-by: Helge Deller Signed-off-by: Greg Kroah-Hartman --- arch/parisc/include/asm/thread_info.h | 2 +- arch/parisc/kernel/irq.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -34,7 +34,7 @@ struct thread_info { /* thread information allocation */ -#define THREAD_SIZE_ORDER 2 /* PA-RISC requires at least 16k stack */ +#define THREAD_SIZE_ORDER 3 /* PA-RISC requires at least 32k stack */ /* Be sure to hunt all references to this down when you change the size of * the kernel stack */ #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -380,7 +380,7 @@ static inline int eirr_to_irq(unsigned l /* * IRQ STACK - used for irq handler */ -#define IRQ_STACK_SIZE (4096 << 2) /* 16k irq stack size */ +#define IRQ_STACK_SIZE (4096 << 3) /* 32k irq stack size */ union irq_stack_union { unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)]; Patches currently in stable-queue which might be from deller@gmx.de are queue-4.4/parisc-increase-thread-and-stack-size-to-32kb.patch