diff options
author | James Morris <james.l.morris@oracle.com> | 2017-09-24 22:41:55 -0700 |
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committer | James Morris <james.l.morris@oracle.com> | 2017-09-24 22:41:55 -0700 |
commit | 25eabb13c7d67ae32298015c5e28d00f604f412c (patch) | |
tree | 5bd75c2c1e385c79425bb099f0d19db7fb9c391f /arch/powerpc/kernel/paca.c | |
parent | ab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff) | |
parent | e19b205be43d11bff638cad4487008c48d21c103 (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.c | 15 |
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); |