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/fs/proc/stat.c b/fs/proc/stat.c
index 80c305f..3bed48d 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -23,7 +23,7 @@
#ifdef arch_idle_time
-static u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
+u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
{
u64 idle;
@@ -45,7 +45,7 @@
#else
-static u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
+u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
{
u64 idle, idle_usecs = -1ULL;
@@ -120,20 +120,23 @@
getboottime64(&boottime);
for_each_possible_cpu(i) {
- struct kernel_cpustat *kcs = &kcpustat_cpu(i);
+ struct kernel_cpustat kcpustat;
+ u64 *cpustat = kcpustat.cpustat;
- user += kcs->cpustat[CPUTIME_USER];
- nice += kcs->cpustat[CPUTIME_NICE];
- system += kcs->cpustat[CPUTIME_SYSTEM];
- idle += get_idle_time(kcs, i);
- iowait += get_iowait_time(kcs, i);
- irq += kcs->cpustat[CPUTIME_IRQ];
- softirq += kcs->cpustat[CPUTIME_SOFTIRQ];
- steal += kcs->cpustat[CPUTIME_STEAL];
- guest += kcs->cpustat[CPUTIME_GUEST];
- guest_nice += kcs->cpustat[CPUTIME_GUEST_NICE];
- sum += kstat_cpu_irqs_sum(i);
- sum += arch_irq_stat_cpu(i);
+ kcpustat_cpu_fetch(&kcpustat, i);
+
+ user += cpustat[CPUTIME_USER];
+ nice += cpustat[CPUTIME_NICE];
+ system += cpustat[CPUTIME_SYSTEM];
+ idle += get_idle_time(&kcpustat, i);
+ iowait += get_iowait_time(&kcpustat, i);
+ irq += cpustat[CPUTIME_IRQ];
+ softirq += cpustat[CPUTIME_SOFTIRQ];
+ steal += cpustat[CPUTIME_STEAL];
+ guest += cpustat[CPUTIME_GUEST];
+ guest_nice += cpustat[CPUTIME_GUEST_NICE];
+ sum += kstat_cpu_irqs_sum(i);
+ sum += arch_irq_stat_cpu(i);
for (j = 0; j < NR_SOFTIRQS; j++) {
unsigned int softirq_stat = kstat_softirqs_cpu(j, i);
@@ -157,19 +160,22 @@
seq_putc(p, '\n');
for_each_online_cpu(i) {
- struct kernel_cpustat *kcs = &kcpustat_cpu(i);
+ struct kernel_cpustat kcpustat;
+ u64 *cpustat = kcpustat.cpustat;
+
+ kcpustat_cpu_fetch(&kcpustat, i);
/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
- user = kcs->cpustat[CPUTIME_USER];
- nice = kcs->cpustat[CPUTIME_NICE];
- system = kcs->cpustat[CPUTIME_SYSTEM];
- idle = get_idle_time(kcs, i);
- iowait = get_iowait_time(kcs, i);
- irq = kcs->cpustat[CPUTIME_IRQ];
- softirq = kcs->cpustat[CPUTIME_SOFTIRQ];
- steal = kcs->cpustat[CPUTIME_STEAL];
- guest = kcs->cpustat[CPUTIME_GUEST];
- guest_nice = kcs->cpustat[CPUTIME_GUEST_NICE];
+ user = cpustat[CPUTIME_USER];
+ nice = cpustat[CPUTIME_NICE];
+ system = cpustat[CPUTIME_SYSTEM];
+ idle = get_idle_time(&kcpustat, i);
+ iowait = get_iowait_time(&kcpustat, i);
+ irq = cpustat[CPUTIME_IRQ];
+ softirq = cpustat[CPUTIME_SOFTIRQ];
+ steal = cpustat[CPUTIME_STEAL];
+ guest = cpustat[CPUTIME_GUEST];
+ guest_nice = cpustat[CPUTIME_GUEST_NICE];
seq_printf(p, "cpu%d", i);
seq_put_decimal_ull(p, " ", nsec_to_clock_t(user));
seq_put_decimal_ull(p, " ", nsec_to_clock_t(nice));
@@ -217,16 +223,17 @@
return single_open_size(file, show_stat, NULL, size);
}
-static const struct file_operations proc_stat_operations = {
- .open = stat_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+static const struct proc_ops stat_proc_ops = {
+ .proc_flags = PROC_ENTRY_PERMANENT,
+ .proc_open = stat_open,
+ .proc_read_iter = seq_read_iter,
+ .proc_lseek = seq_lseek,
+ .proc_release = single_release,
};
static int __init proc_stat_init(void)
{
- proc_create("stat", 0, NULL, &proc_stat_operations);
+ proc_create("stat", 0, NULL, &stat_proc_ops);
return 0;
}
fs_initcall(proc_stat_init);