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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /arch/powerpc/platforms/pseries/lpar.c
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index d4d6de0628..4e9916bb03 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -192,9 +192,9 @@ static void free_dtl_buffers(unsigned long *time_limit)
continue;
kmem_cache_free(dtl_cache, pp->dispatch_log);
pp->dtl_ridx = 0;
- pp->dispatch_log = 0;
- pp->dispatch_log_end = 0;
- pp->dtl_curr = 0;
+ pp->dispatch_log = NULL;
+ pp->dispatch_log_end = NULL;
+ pp->dtl_curr = NULL;
if (time_limit && time_after(jiffies, *time_limit)) {
cond_resched();
@@ -223,7 +223,7 @@ static void destroy_cpu_associativity(void)
{
kfree(vcpu_associativity);
kfree(pcpu_associativity);
- vcpu_associativity = pcpu_associativity = 0;
+ vcpu_associativity = pcpu_associativity = NULL;
}
static __be32 *__get_cpu_associativity(int cpu, __be32 *cpu_assoc, int flag)
@@ -662,8 +662,12 @@ u64 pseries_paravirt_steal_clock(int cpu)
{
struct lppaca *lppaca = &lppaca_of(cpu);
- return be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb)) +
- be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb));
+ /*
+ * VPA steal time counters are reported at TB frequency. Hence do a
+ * conversion to ns before returning
+ */
+ return tb_to_ns(be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb)) +
+ be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb)));
}
#endif