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authorJames Morris <james.l.morris@oracle.com>2017-09-24 22:41:55 -0700
committerJames Morris <james.l.morris@oracle.com>2017-09-24 22:41:55 -0700
commit25eabb13c7d67ae32298015c5e28d00f604f412c (patch)
tree5bd75c2c1e385c79425bb099f0d19db7fb9c391f /arch/powerpc/kernel/paca.c
parentab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff)
parente19b205be43d11bff638cad4487008c48d21c103 (diff)
Merge tag 'v4.14-rc2' into next-general
Linux 4.14-rc2 Sync to v4.14-rc2 for security subsystem developers to track.
Diffstat (limited to 'arch/powerpc/kernel/paca.c')
-rw-r--r--arch/powerpc/kernel/paca.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 8d63627e067f..2ff2b8a19f71 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -99,18 +99,27 @@ static inline void free_lppacas(void) { }
* If you make the number of persistent SLB entries dynamic, please also
* update PR KVM to flush and restore them accordingly.
*/
-static struct slb_shadow *slb_shadow;
+static struct slb_shadow * __initdata slb_shadow;
static void __init allocate_slb_shadows(int nr_cpus, int limit)
{
int size = PAGE_ALIGN(sizeof(struct slb_shadow) * nr_cpus);
+
+ if (early_radix_enabled())
+ return;
+
slb_shadow = __va(memblock_alloc_base(size, PAGE_SIZE, limit));
memset(slb_shadow, 0, size);
}
static struct slb_shadow * __init init_slb_shadow(int cpu)
{
- struct slb_shadow *s = &slb_shadow[cpu];
+ struct slb_shadow *s;
+
+ if (early_radix_enabled())
+ return NULL;
+
+ s = &slb_shadow[cpu];
/*
* When we come through here to initialise boot_paca, the slb_shadow
@@ -215,7 +224,7 @@ void __init allocate_pacas(void)
paca = __va(memblock_alloc_base(paca_size, PAGE_SIZE, limit));
memset(paca, 0, paca_size);
- printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n",
+ printk(KERN_DEBUG "Allocated %u bytes for %u pacas at %p\n",
paca_size, nr_cpu_ids, paca);
allocate_lppacas(nr_cpu_ids, limit);