[kernel] un-rebase drm-intel-big-hammer & make-lvds-work, update would_have_oomkilled

Kyle McMartin kyle at fedoraproject.org
Tue Nov 30 02:13:30 UTC 2010


commit 311bf8c0a909df19d46199a82607382d27fa48e8
Author: Kyle McMartin <kyle at mcmartin.ca>
Date:   Mon Nov 29 21:07:53 2010 -0500

    un-rebase drm-intel-big-hammer & make-lvds-work, update would_have_oomkilled

 drm-intel-2.6.37-rc2.patch                    |24423 -------------------------
 drm-intel-big-hammer.patch                    |   16 +-
 drm-intel-make-lvds-work.patch                |   19 +-
 kernel.spec                                   |    7 +-
 linux-2.6-debug-vm-would-have-oomkilled.patch |   69 +-
 5 files changed, 57 insertions(+), 24477 deletions(-)
---
diff --git a/drm-intel-big-hammer.patch b/drm-intel-big-hammer.patch
index 0d7f7f0..63dc016 100644
--- a/drm-intel-big-hammer.patch
+++ b/drm-intel-big-hammer.patch
@@ -1,16 +1,16 @@
 diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
-index 6da2c6d..f508b86 100644
+index 37427e4..08af9db 100644
 --- a/drivers/gpu/drm/i915/i915_gem.c
 +++ b/drivers/gpu/drm/i915/i915_gem.c
-@@ -3738,6 +3738,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
- 	if (ret)
- 		goto pre_mutex_err;
+@@ -2553,6 +2553,11 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
+ 
+ 	mutex_lock(&dev->struct_mutex);
  
 +	/* We don't get the flushing right for these chipsets, use the
-+	 * big hammer for now to avoid random crashiness. */
++	 * big hamer for now to avoid random crashiness. */
 +	if (IS_I85X(dev) || IS_I865G(dev))
 +		wbinvd();
 +
- 	if (dev_priv->mm.suspended) {
- 		mutex_unlock(&dev->struct_mutex);
- 		ret = -EBUSY;
+ 	i915_verify_inactive(dev, __FILE__, __LINE__);
+ 
+ 	if (dev_priv->mm.wedged) {
diff --git a/drm-intel-make-lvds-work.patch b/drm-intel-make-lvds-work.patch
index 6c089b8..5ca0152 100644
--- a/drm-intel-make-lvds-work.patch
+++ b/drm-intel-make-lvds-work.patch
@@ -1,20 +1,19 @@
-diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
-index 0cece04..63bbb4b 100644
---- a/drivers/gpu/drm/i915/intel_display.c
-+++ b/drivers/gpu/drm/i915/intel_display.c
-@@ -4580,7 +4580,6 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
- 				    struct drm_connector *connector, int dpms_mode)
+diff -up linux-2.6.33.noarch/drivers/gpu/drm/i915/intel_display.c.orig linux-2.6.33.noarch/drivers/gpu/drm/i915/intel_display.c
+--- linux-2.6.33.noarch/drivers/gpu/drm/i915/intel_display.c.orig	2010-03-31 16:59:39.901995671 -0400
++++ linux-2.6.33.noarch/drivers/gpu/drm/i915/intel_display.c	2010-03-31 17:01:05.416996744 -0400
+@@ -3757,7 +3757,6 @@ struct drm_crtc *intel_get_load_detect_p
+ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, int dpms_mode)
  {
- 	struct drm_encoder *encoder = &intel_encoder->base;
+ 	struct drm_encoder *encoder = &intel_encoder->enc;
 -	struct drm_device *dev = encoder->dev;
  	struct drm_crtc *crtc = encoder->crtc;
  	struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
  	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-@@ -4590,7 +4589,6 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
- 		connector->encoder = NULL;
+@@ -3767,7 +3766,6 @@ void intel_release_load_detect_pipe(stru
+ 		intel_encoder->base.encoder = NULL;
  		intel_encoder->load_detect_temp = false;
  		crtc->enabled = drm_helper_crtc_in_use(crtc);
 -		drm_helper_disable_unused_functions(dev);
  	}
  
- 	/* Switch crtc and encoder back off if necessary */
+ 	/* Switch crtc and output back off if necessary */
diff --git a/kernel.spec b/kernel.spec
index c90b027..8ba295e 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -1226,7 +1226,7 @@ ApplyPatch acpi-update-battery-information-on-notification-0x81.patch
 ApplyPatch linux-2.6-debug-sizeof-structs.patch
 ApplyPatch linux-2.6-debug-nmi-timeout.patch
 ApplyPatch linux-2.6-debug-taint-vm.patch
-###FIX###ApplyPatch linux-2.6-debug-vm-would-have-oomkilled.patch
+ApplyPatch linux-2.6-debug-vm-would-have-oomkilled.patch
 ApplyPatch linux-2.6-debug-always-inline-kzalloc.patch
 
 ApplyPatch debug-tty-print-dev-name.patch
@@ -1302,9 +1302,8 @@ ApplyPatch fix_xen_guest_on_old_EC2.patch
 ApplyOptionalPatch drm-nouveau-updates.patch
 
 # Intel DRM
-#ApplyPatch drm-intel-2.6.37-rc2.patch
-#ApplyPatch drm-intel-big-hammer.patch
-#ApplyPatch drm-intel-make-lvds-work.patch
+ApplyPatch drm-intel-big-hammer.patch
+ApplyPatch drm-intel-make-lvds-work.patch
 ApplyPatch linux-2.6-intel-iommu-igfx.patch
 
 ApplyPatch radeon-mc-vram-map-needs-to-be-gt-pci-aperture.patch
diff --git a/linux-2.6-debug-vm-would-have-oomkilled.patch b/linux-2.6-debug-vm-would-have-oomkilled.patch
index dd8ba3f..8bd05ab 100644
--- a/linux-2.6-debug-vm-would-have-oomkilled.patch
+++ b/linux-2.6-debug-vm-would-have-oomkilled.patch
@@ -1,26 +1,30 @@
-From 03657519851cd180983db4bd0c38eaeed4aa2962 Mon Sep 17 00:00:00 2001
-From: Kyle McMartin <kyle at treachery.i.jkkm.org>
-Date: Mon, 11 Jan 2010 08:25:12 -0500
-Subject: linux-2.6-debug-vm-would-have-oomkilled.patch
+From beb764ac03e52eba1a654afb4273fab1f9de3cff Mon Sep 17 00:00:00 2001
+From: Kyle McMartin <kyle at mcmartin.ca>
+Date: Mon, 29 Nov 2010 20:59:14 -0500
+Subject: [PATCH] linux-2.6-debug-vm-would_have_oomkilled
 
 ---
- kernel/sysctl.c |    8 ++++++++
- mm/oom_kill.c   |    7 +++++++
- 2 files changed, 15 insertions(+), 0 deletions(-)
+ include/linux/oom.h |    1 +
+ kernel/sysctl.c     |    7 +++++++
+ mm/oom_kill.c       |    8 ++++++++
+ 3 files changed, 16 insertions(+), 0 deletions(-)
 
+diff --git a/include/linux/oom.h b/include/linux/oom.h
+index 5e3aa83..79a27b4 100644
+--- a/include/linux/oom.h
++++ b/include/linux/oom.h
+@@ -72,5 +72,6 @@ extern struct task_struct *find_lock_task_mm(struct task_struct *p);
+ extern int sysctl_oom_dump_tasks;
+ extern int sysctl_oom_kill_allocating_task;
+ extern int sysctl_panic_on_oom;
++extern int sysctl_would_have_oomkilled;
+ #endif /* __KERNEL__*/
+ #endif /* _INCLUDE_LINUX_OOM_H */
 diff --git a/kernel/sysctl.c b/kernel/sysctl.c
-index 8a68b24..72a4ff1 100644
+index 5abfa15..a0fed6d 100644
 --- a/kernel/sysctl.c
 +++ b/kernel/sysctl.c
-@@ -71,6 +71,7 @@ extern int sysctl_overcommit_ratio;
- extern int sysctl_panic_on_oom;
- extern int sysctl_oom_kill_allocating_task;
- extern int sysctl_oom_dump_tasks;
-+extern int sysctl_would_have_oomkilled;
- extern int max_threads;
- extern int core_uses_pid;
- extern int suid_dumpable;
-@@ -973,6 +974,13 @@ static struct ctl_table vm_table[] = {
+@@ -1000,6 +1000,13 @@ static struct ctl_table vm_table[] = {
  		.proc_handler	= proc_dointvec,
  	},
  	{
@@ -28,37 +32,38 @@ index 8a68b24..72a4ff1 100644
 +		.data		= &sysctl_would_have_oomkilled,
 +		.maxlen		= sizeof(sysctl_would_have_oomkilled),
 +		.mode		= 0644,
-+		.proc_handler	= &proc_dointvec,
++		.proc_handler	= proc_dointvec,
 +	},
 +	{
  		.procname	= "overcommit_ratio",
  		.data		= &sysctl_overcommit_ratio,
  		.maxlen		= sizeof(sysctl_overcommit_ratio),
 diff --git a/mm/oom_kill.c b/mm/oom_kill.c
-index f52481b..a892f07 100644
+index 7dcca55..281ac39 100644
 --- a/mm/oom_kill.c
 +++ b/mm/oom_kill.c
-@@ -31,6 +31,7 @@
+@@ -35,6 +35,7 @@
  int sysctl_panic_on_oom;
  int sysctl_oom_kill_allocating_task;
- int sysctl_oom_dump_tasks;
+ int sysctl_oom_dump_tasks = 1;
 +int sysctl_would_have_oomkilled;
  static DEFINE_SPINLOCK(zone_scan_lock);
- /* #define DEBUG */
  
-@@ -396,6 +397,12 @@ static void __oom_kill_task(struct task_struct *p, int verbose)
- 		return;
+ #ifdef CONFIG_NUMA
+@@ -477,6 +478,13 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
  	}
  
-+	if (sysctl_would_have_oomkilled == 1) {
-+		printk(KERN_ERR "Would have killed process %d (%s). But continuing instead.\n",
-+				task_pid_nr(p), p->comm);
-+		return;
+ 	task_lock(p);
++	if (sysctl_would_have_oomkilled) {
++		printk(KERN_ERR "%s: would have killed process %d (%s), but continuing instead...\n",
++			__func__, task_pid_nr(p), p->comm);
++		task_unlock(p);
++		return 0;
 +	}
 +
- 	if (verbose)
- 		printk(KERN_ERR "Killed process %d (%s) "
- 		       "vsz:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+ 	pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+ 		message, task_pid_nr(p), p->comm, points);
+ 	task_unlock(p);
 -- 
-1.6.5.2
+1.7.3.2
 


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