Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/hwtracing/stm/Kconfig b/drivers/hwtracing/stm/Kconfig
index d0e92a8..aad594f 100644
--- a/drivers/hwtracing/stm/Kconfig
+++ b/drivers/hwtracing/stm/Kconfig
@@ -71,7 +71,7 @@
config STM_SOURCE_FTRACE
tristate "Copy the output from kernel Ftrace to STM engine"
- depends on FUNCTION_TRACER
+ depends on TRACING
help
This option can be used to copy the output from kernel Ftrace
to STM engine. Enabling this option will introduce a slight
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 603b83a..2712e69 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -832,23 +832,13 @@
return err;
}
-#ifdef CONFIG_COMPAT
-static long
-stm_char_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- return stm_char_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
-}
-#else
-#define stm_char_compat_ioctl NULL
-#endif
-
static const struct file_operations stm_fops = {
.open = stm_char_open,
.release = stm_char_release,
.write = stm_char_write,
.mmap = stm_char_mmap,
.unlocked_ioctl = stm_char_ioctl,
- .compat_ioctl = stm_char_compat_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.llseek = no_llseek,
};
diff --git a/drivers/hwtracing/stm/ftrace.c b/drivers/hwtracing/stm/ftrace.c
index ce868e0..3bb606d 100644
--- a/drivers/hwtracing/stm/ftrace.c
+++ b/drivers/hwtracing/stm/ftrace.c
@@ -37,8 +37,10 @@
stm_ftrace_write(struct trace_export *export, const void *buf, unsigned int len)
{
struct stm_ftrace *stm = container_of(export, struct stm_ftrace, ftrace);
+ /* This is called from trace system with preemption disabled */
+ unsigned int cpu = smp_processor_id();
- stm_source_write(&stm->data, STM_FTRACE_CHAN, buf, len);
+ stm_source_write(&stm->data, STM_FTRACE_CHAN + cpu, buf, len);
}
static int stm_ftrace_link(struct stm_source_data *data)
@@ -46,6 +48,8 @@
struct stm_ftrace *sf = container_of(data, struct stm_ftrace, data);
sf->ftrace.write = stm_ftrace_write;
+ sf->ftrace.flags = TRACE_EXPORT_FUNCTION | TRACE_EXPORT_EVENT
+ | TRACE_EXPORT_MARKER;
return register_ftrace_export(&sf->ftrace);
}
@@ -61,6 +65,7 @@
{
int ret;
+ stm_ftrace.data.nr_chans = roundup_pow_of_two(num_possible_cpus());
ret = stm_source_register_device(NULL, &stm_ftrace.data);
if (ret)
pr_err("Failed to register stm_source - ftrace.\n");
diff --git a/drivers/hwtracing/stm/policy.c b/drivers/hwtracing/stm/policy.c
index 4f932a4..603b4a9 100644
--- a/drivers/hwtracing/stm/policy.c
+++ b/drivers/hwtracing/stm/policy.c
@@ -34,7 +34,7 @@
unsigned int first_channel;
unsigned int last_channel;
/* this is the one that's exposed to the attributes */
- unsigned char priv[0];
+ unsigned char priv[];
};
void *stp_policy_node_priv(struct stp_policy_node *pn)
diff --git a/drivers/hwtracing/stm/stm.h b/drivers/hwtracing/stm/stm.h
index 3569439..a9be49f 100644
--- a/drivers/hwtracing/stm/stm.h
+++ b/drivers/hwtracing/stm/stm.h
@@ -23,7 +23,7 @@
struct stp_master {
unsigned int nr_free;
- unsigned long chan_map[0];
+ unsigned long chan_map[];
};
struct stm_device {
@@ -42,7 +42,7 @@
const struct config_item_type *pdrv_node_type;
/* master allocation */
spinlock_t mc_lock;
- struct stp_master *masters[0];
+ struct stp_master *masters[];
};
#define to_stm_device(_d) \