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Commit 15c93be1 authored by Atul Raut's avatar Atul Raut Committed by Lakshit Tyagi
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soc: qcom: boot_stats: Enable marker for atomic context 



Add support to atomic context

Change-Id: Id81def21a51d141f156c8c83893bd50a37697dd4
Acked-by: default avatarLakshit Tyagi <ltyagi@codeaurora.org>
Signed-off-by: default avatarAtul Raut <araut@codeaurora.org>
parent 00ad9f1a

drivers/soc/qcom/boot_marker.c

+10 −10
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
#include <linux/list.h>

#include <linux/export.h>

#include <linux/types.h>

#include <linux/mutex.h>

#include <linux/spinlock.h>

#include <linux/mm.h>

#include <soc/qcom/boot_stats.h>
@@ -35,7 +35,7 @@ struct boot_marker { 
	char marker_name[BOOT_MARKER_MAX_LEN];

	unsigned long long int timer_value;

	struct list_head list;

	struct mutex lock;

	spinlock_t slock;

};



static struct dentry *dent_bkpi, *dent_bkpi_status, *dent_mpm_timer;
@@ -51,7 +51,7 @@ static void _create_boot_marker(const char *name, 
			((timer_value % TIMER_KHZ)

			 * 1000) / TIMER_KHZ);



	new_boot_marker = kmalloc(sizeof(*new_boot_marker), GFP_KERNEL);

	new_boot_marker = kmalloc(sizeof(*new_boot_marker), GFP_ATOMIC);

	if (!new_boot_marker)

		return;
@@ -59,9 +59,9 @@ static void _create_boot_marker(const char *name, 
			sizeof(new_boot_marker->marker_name));

	new_boot_marker->timer_value = timer_value;



	mutex_lock(&boot_marker_list.lock);

	spin_lock(&boot_marker_list.slock);

	list_add_tail(&(new_boot_marker->list), &(boot_marker_list.list));

	mutex_unlock(&boot_marker_list.lock);

	spin_unlock(&boot_marker_list.slock);

}



static void set_bootloader_stats(void)
@@ -98,7 +98,7 @@ static ssize_t bootkpi_reader(struct file *fp, char __user *user_buffer, 
	if (!buf)

		return -ENOMEM;



	mutex_lock(&boot_marker_list.lock);

	spin_lock(&boot_marker_list.slock);

	list_for_each_entry(marker, &boot_marker_list.list, list) {

		temp += scnprintf(buf + temp, PAGE_SIZE - temp,

				"%-41s:%llu.%03llu seconds\n",
@@ -107,7 +107,7 @@ static ssize_t bootkpi_reader(struct file *fp, char __user *user_buffer, 
				(((marker->timer_value % TIMER_KHZ)

				  * 1000) / TIMER_KHZ));

	}

	mutex_unlock(&boot_marker_list.lock);

	spin_unlock(&boot_marker_list.slock);

	rc = simple_read_from_buffer(user_buffer, count, position, buf, temp);

	kfree(buf);

	return rc;
@@ -211,7 +211,7 @@ static int __init init_bootkpi(void) 
	}



	INIT_LIST_HEAD(&boot_marker_list.list);

	mutex_init(&boot_marker_list.lock);

	spin_lock_init(&boot_marker_list.slock);

	set_bootloader_stats();

	return 0;

}
@@ -223,13 +223,13 @@ static void __exit exit_bootkpi(void) 
	struct boot_marker *temp_addr;



	debugfs_remove_recursive(dent_bkpi);

	mutex_lock(&boot_marker_list.lock);

	spin_lock(&boot_marker_list.slock);

	list_for_each_entry_safe(marker, temp_addr, &boot_marker_list.list,

			list) {

		list_del(&marker->list);

		kfree(marker);

	}

	mutex_unlock(&boot_marker_list.lock);

	spin_unlock(&boot_marker_list.slock);

	boot_stats_exit();

}

module_exit(exit_bootkpi);