Merge branch 'topic/livepatch' of git://git.kernel.org/pub/scm/linux/kernel/git/power...

[cascardo/linux.git] / arch / powerpc / kernel / setup_64.c

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index f98be83..96d4a2b 100644 (file)
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -69,6 +69,7 @@
 #include <asm/kvm_ppc.h>
 #include <asm/hugetlb.h>
 #include <asm/epapr_hcalls.h>
+#include <asm/livepatch.h>
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
@@ -667,16 +668,16 @@ static void __init emergency_stack_init(void)
        limit = min(safe_stack_limit(), ppc64_rma_size);
 
        for_each_possible_cpu(i) {
-               unsigned long sp;
-               sp  = memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit);
-               sp += THREAD_SIZE;
-               paca[i].emergency_sp = __va(sp);
+               struct thread_info *ti;
+               ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit));
+               klp_init_thread_info(ti);
+               paca[i].emergency_sp = (void *)ti + THREAD_SIZE;
 
 #ifdef CONFIG_PPC_BOOK3S_64
                /* emergency stack for machine check exception handling. */
-               sp  = memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit);
-               sp += THREAD_SIZE;
-               paca[i].mc_emergency_sp = __va(sp);
+               ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit));
+               klp_init_thread_info(ti);
+               paca[i].mc_emergency_sp = (void *)ti + THREAD_SIZE;
 #endif
        }
 }
@@ -700,6 +701,8 @@ void __init setup_arch(char **cmdline_p)
        if (ppc_md.panic)
                setup_panic();
 
+       klp_init_thread_info(&init_thread_info);
+
        init_mm.start_code = (unsigned long)_stext;
        init_mm.end_code = (unsigned long) _etext;
        init_mm.end_data = (unsigned long) _edata;