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| author | Jiri Kosina <jkosina@suse.cz> | 2016-04-15 11:31:51 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2016-04-15 11:42:51 +0200 |
| commit | 4d4fb97a62105c07dcccd350c391a65f576726c4 (patch) | |
| tree | 36f5ba480d7ea790b8cedf7e49bebab781659f73 /arch/powerpc/kernel/setup_64.c | |
| parent | 61bf12d3304d78ff499245ea995858c3bedb162e (diff) | |
| parent | 85baa095497f3e590df9f6c8932121f123efca5c (diff) | |
| download | linux-4d4fb97a62105c07dcccd350c391a65f576726c4.tar.bz2 | |
Merge branch 'topic/livepatch' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux into for-4.7/livepatching-ppc64le
Pull livepatching support for ppc64 architecture from Michael Ellerman.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index f98be8383a39..96d4a2b23d0f 100644 --- 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; |