diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0011-vchiq-Avoid-high-load-when-blocked-and-unkillable.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.18/0011-vchiq-Avoid-high-load-when-blocked-and-unkillable.patch | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0011-vchiq-Avoid-high-load-when-blocked-and-unkillable.patch b/target/linux/brcm2708/patches-3.18/0011-vchiq-Avoid-high-load-when-blocked-and-unkillable.patch deleted file mode 100644 index 0bd5249dfd..0000000000 --- a/target/linux/brcm2708/patches-3.18/0011-vchiq-Avoid-high-load-when-blocked-and-unkillable.patch +++ /dev/null @@ -1,149 +0,0 @@ -From e0412853d9f9e12fc7d8a3125cc3b4a62d19007d Mon Sep 17 00:00:00 2001 -From: popcornmix <popcornmix@gmail.com> -Date: Mon, 12 May 2014 15:12:02 +0100 -Subject: [PATCH 011/114] vchiq: Avoid high load when blocked and unkillable - -vchiq: Include SIGSTOP and SIGCONT in list of signals not-masked by vchiq to allow gdb to work ---- - .../interface/vchiq_arm/vchiq_2835_arm.c | 1 + - .../vc04_services/interface/vchiq_arm/vchiq_arm.c | 1 + - .../interface/vchiq_arm/vchiq_connected.c | 1 + - .../vc04_services/interface/vchiq_arm/vchiq_core.c | 1 + - .../interface/vchiq_arm/vchiq_kern_lib.c | 1 + - .../interface/vchiq_arm/vchiq_killable.h | 69 ++++++++++++++++++++++ - .../vc04_services/interface/vchiq_arm/vchiq_util.c | 1 + - 7 files changed, 75 insertions(+) - create mode 100644 drivers/misc/vc04_services/interface/vchiq_arm/vchiq_killable.h - ---- a/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c -@@ -56,6 +56,7 @@ - #include "vchiq_arm.h" - #include "vchiq_2835.h" - #include "vchiq_connected.h" -+#include "vchiq_killable.h" - - #define MAX_FRAGMENTS (VCHIQ_NUM_CURRENT_BULKS * 2) - ---- a/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_arm.c -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_arm.c -@@ -50,6 +50,7 @@ - #include "vchiq_ioctl.h" - #include "vchiq_arm.h" - #include "vchiq_debugfs.h" -+#include "vchiq_killable.h" - - #define DEVICE_NAME "vchiq" - ---- a/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_connected.c -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_connected.c -@@ -33,6 +33,7 @@ - - #include "vchiq_connected.h" - #include "vchiq_core.h" -+#include "vchiq_killable.h" - #include <linux/module.h> - #include <linux/mutex.h> - ---- a/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_core.c -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_core.c -@@ -32,6 +32,7 @@ - */ - - #include "vchiq_core.h" -+#include "vchiq_killable.h" - - #define VCHIQ_SLOT_HANDLER_STACK 8192 - ---- a/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_kern_lib.c -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_kern_lib.c -@@ -39,6 +39,7 @@ - - #include "vchiq_core.h" - #include "vchiq_arm.h" -+#include "vchiq_killable.h" - - /* ---- Public Variables ------------------------------------------------- */ - ---- /dev/null -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_killable.h -@@ -0,0 +1,69 @@ -+/** -+ * Copyright (c) 2010-2012 Broadcom. All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions, and the following disclaimer, -+ * without modification. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The names of the above-listed copyright holders may not be used -+ * to endorse or promote products derived from this software without -+ * specific prior written permission. -+ * -+ * ALTERNATIVELY, this software may be distributed under the terms of the -+ * GNU General Public License ("GPL") version 2, as published by the Free -+ * Software Foundation. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, -+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -+ */ -+ -+#ifndef VCHIQ_KILLABLE_H -+#define VCHIQ_KILLABLE_H -+ -+#include <linux/mutex.h> -+#include <linux/semaphore.h> -+ -+#define SHUTDOWN_SIGS (sigmask(SIGKILL) | sigmask(SIGINT) | sigmask(SIGQUIT) | sigmask(SIGTRAP) | sigmask(SIGSTOP) | sigmask(SIGCONT)) -+ -+static inline int __must_check down_interruptible_killable(struct semaphore *sem) -+{ -+ /* Allow interception of killable signals only. We don't want to be interrupted by harmless signals like SIGALRM */ -+ int ret; -+ sigset_t blocked, oldset; -+ siginitsetinv(&blocked, SHUTDOWN_SIGS); -+ sigprocmask(SIG_SETMASK, &blocked, &oldset); -+ ret = down_interruptible(sem); -+ sigprocmask(SIG_SETMASK, &oldset, NULL); -+ return ret; -+} -+#define down_interruptible down_interruptible_killable -+ -+ -+static inline int __must_check mutex_lock_interruptible_killable(struct mutex *lock) -+{ -+ /* Allow interception of killable signals only. We don't want to be interrupted by harmless signals like SIGALRM */ -+ int ret; -+ sigset_t blocked, oldset; -+ siginitsetinv(&blocked, SHUTDOWN_SIGS); -+ sigprocmask(SIG_SETMASK, &blocked, &oldset); -+ ret = mutex_lock_interruptible(lock); -+ sigprocmask(SIG_SETMASK, &oldset, NULL); -+ return ret; -+} -+#define mutex_lock_interruptible mutex_lock_interruptible_killable -+ -+#endif ---- a/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_util.c -+++ b/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_util.c -@@ -32,6 +32,7 @@ - */ - - #include "vchiq_util.h" -+#include "vchiq_killable.h" - - static inline int is_pow2(int i) - { |