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Message-Id: <20180721133507.95599-10-toddpoynor@gmail.com>
Date: Sat, 21 Jul 2018 06:35:02 -0700
From: Todd Poynor <toddpoynor@...il.com>
To: Rob Springer <rspringer@...gle.com>,
John Joseph <jnjoseph@...gle.com>,
Ben Chan <benchan@...omium.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Zhongze Hu <frankhu@...omium.org>,
Dmitry Torokhov <dtor@...omium.org>,
Guenter Roeck <groeck@...omium.org>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 09/14] staging: gasket: core: convert various logs to debug level
From: Todd Poynor <toddpoynor@...gle.com>
Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs. Convert these to debug log level.
Signed-off-by: Zhongze Hu <frankhu@...omium.org>
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
drivers/staging/gasket/gasket_core.c | 38 +++++++++++++++-------------
1 file changed, 20 insertions(+), 18 deletions(-)
diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 8265d543623d7..1d04fd0990e45 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -205,7 +205,8 @@ static inline int check_and_invoke_callback(
{
int ret = 0;
- gasket_nodev_error("check_and_invoke_callback %p", cb_function);
+ gasket_log_debug(gasket_dev, "check_and_invoke_callback %p",
+ cb_function);
if (cb_function) {
mutex_lock(&gasket_dev->mutex);
ret = cb_function(gasket_dev);
@@ -227,7 +228,7 @@ static inline int gasket_check_and_invoke_callback_nolock(
int ret = 0;
if (cb_function) {
- gasket_log_info(
+ gasket_log_debug(
gasket_dev, "Invoking device-specific callback.");
ret = cb_function(gasket_dev);
}
@@ -1177,7 +1178,7 @@ static int gasket_release(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE) {
ownership->write_open_count--;
if (ownership->write_open_count == 0) {
- gasket_log_info(gasket_dev, "Device is now free");
+ gasket_log_debug(gasket_dev, "Device is now free");
ownership->is_owned = 0;
ownership->owner = 0;
@@ -1198,7 +1199,7 @@ static int gasket_release(struct inode *inode, struct file *file)
}
}
- gasket_log_info(
+ gasket_log_debug(
gasket_dev, "New open count (owning tgid %u): %d",
ownership->owner, ownership->write_open_count);
mutex_unlock(&gasket_dev->mutex);
@@ -1225,7 +1226,7 @@ static bool gasket_mmap_has_permissions(
/* Never allow non-sysadmins to access to a dead device. */
if (gasket_dev->status != GASKET_STATUS_ALIVE) {
- gasket_log_info(gasket_dev, "Device is dead.");
+ gasket_log_debug(gasket_dev, "Device is dead.");
return false;
}
@@ -1233,7 +1234,7 @@ static bool gasket_mmap_has_permissions(
requested_permissions =
(vma->vm_flags & (VM_WRITE | VM_READ | VM_EXEC));
if (requested_permissions & ~(bar_permissions)) {
- gasket_log_info(
+ gasket_log_debug(
gasket_dev,
"Attempting to map a region with requested permissions "
"0x%x, but region has permissions 0x%x.",
@@ -1244,7 +1245,7 @@ static bool gasket_mmap_has_permissions(
/* Do not allow a non-owner to write. */
if ((vma->vm_flags & VM_WRITE) &&
!gasket_owned_by_current_tgid(&gasket_dev->dev_info)) {
- gasket_log_info(
+ gasket_log_debug(
gasket_dev,
"Attempting to mmap a region for write without owning "
"device.");
@@ -1736,15 +1737,16 @@ static int gasket_get_hw_status(struct gasket_dev *gasket_dev)
status = gasket_check_and_invoke_callback_nolock(
gasket_dev, driver_desc->device_status_cb);
if (status != GASKET_STATUS_ALIVE) {
- gasket_log_info(gasket_dev, "Hardware reported status %d.",
- status);
+ gasket_log_debug(gasket_dev, "Hardware reported status %d.",
+ status);
return status;
}
status = gasket_interrupt_system_status(gasket_dev);
if (status != GASKET_STATUS_ALIVE) {
- gasket_log_info(gasket_dev,
- "Interrupt system reported status %d.", status);
+ gasket_log_debug(gasket_dev,
+ "Interrupt system reported status %d.",
+ status);
return status;
}
@@ -1752,7 +1754,7 @@ static int gasket_get_hw_status(struct gasket_dev *gasket_dev)
status = gasket_page_table_system_status(
gasket_dev->page_table[i]);
if (status != GASKET_STATUS_ALIVE) {
- gasket_log_info(
+ gasket_log_debug(
gasket_dev, "Page table %d reported status %d.",
i, status);
return status;
@@ -1783,7 +1785,7 @@ static long gasket_ioctl(struct file *filp, uint cmd, ulong arg)
gasket_dev = (struct gasket_dev *)filp->private_data;
driver_desc = gasket_dev->internal_desc->driver_desc;
if (!driver_desc) {
- gasket_log_error(
+ gasket_log_debug(
gasket_dev,
"Unable to find device descriptor for file %s",
d_path(&filp->f_path, path, 256));
@@ -1831,7 +1833,7 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type)
/* Perform a device reset of the requested type. */
ret = driver_desc->device_reset_cb(gasket_dev, reset_type);
if (ret) {
- gasket_log_error(
+ gasket_log_debug(
gasket_dev, "Device reset cb returned %d.", ret);
return ret;
}
@@ -1842,7 +1844,7 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type)
ret = gasket_interrupt_reinit(gasket_dev);
if (ret) {
- gasket_log_error(
+ gasket_log_debug(
gasket_dev, "Unable to reinit interrupts: %d.", ret);
return ret;
}
@@ -1850,7 +1852,7 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type)
/* Get current device health. */
gasket_dev->status = gasket_get_hw_status(gasket_dev);
if (gasket_dev->status == GASKET_STATUS_DEAD) {
- gasket_log_error(gasket_dev, "Device reported as dead.");
+ gasket_log_debug(gasket_dev, "Device reported as dead.");
return -EINVAL;
}
@@ -2002,7 +2004,7 @@ static ssize_t gasket_sysfs_data_show(
}
break;
default:
- gasket_log_error(
+ gasket_log_debug(
gasket_dev, "Unknown attribute: %s", attr->attr.name);
ret = 0;
break;
@@ -2056,7 +2058,7 @@ int gasket_wait_with_reschedule(
msleep(delay_ms);
retries++;
}
- gasket_log_error(gasket_dev, "%s timeout: reg %llx timeout (%llu ms)",
+ gasket_log_debug(gasket_dev, "%s timeout: reg %llx timeout (%llu ms)",
__func__, offset, max_retries * delay_ms);
return -ETIMEDOUT;
}
--
2.18.0.233.g985f88cf7e-goog
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