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-rw-r--r--arch/powerpc/kernel/entry_32.S8
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S6
-rw-r--r--arch/powerpc/kernel/head_85xx.S2
-rw-r--r--arch/powerpc/kernel/idle.c1
-rw-r--r--arch/powerpc/kernel/paca.c2
-rw-r--r--arch/powerpc/kernel/setup-common.c2
-rw-r--r--arch/powerpc/kernel/smp.c6
-rw-r--r--arch/powerpc/kernel/syscalls/syscall.tbl6
8 files changed, 20 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 9692acb0361f..7eda33a24bb4 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -137,8 +137,9 @@ ret_from_syscall:
lis r4,icache_44x_need_flush@ha
lwz r5,icache_44x_need_flush@l(r4)
cmplwi cr0,r5,0
- bne- 2f
+ bne- .L44x_icache_flush
#endif /* CONFIG_PPC_47x */
+.L44x_icache_flush_return:
kuep_unlock
lwz r4,_LINK(r1)
lwz r5,_CCR(r1)
@@ -172,10 +173,11 @@ syscall_exit_finish:
b 1b
#ifdef CONFIG_44x
-2: li r7,0
+.L44x_icache_flush:
+ li r7,0
iccci r0,r0
stw r7,icache_44x_need_flush@l(r4)
- b 1b
+ b .L44x_icache_flush_return
#endif /* CONFIG_44x */
.globl ret_from_fork
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index c33c8ebf8641..eaf2f167c342 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -893,7 +893,7 @@ __start_interrupts:
*
* Call convention:
*
- * syscall register convention is in Documentation/powerpc/syscall64-abi.rst
+ * syscall register convention is in Documentation/arch/powerpc/syscall64-abi.rst
*/
EXC_VIRT_BEGIN(system_call_vectored, 0x3000, 0x1000)
/* SCV 0 */
@@ -1952,8 +1952,8 @@ EXC_VIRT_NONE(0x4b00, 0x100)
* Call convention:
*
* syscall and hypercalls register conventions are documented in
- * Documentation/powerpc/syscall64-abi.rst and
- * Documentation/powerpc/papr_hcalls.rst respectively.
+ * Documentation/arch/powerpc/syscall64-abi.rst and
+ * Documentation/arch/powerpc/papr_hcalls.rst respectively.
*
* The intersection of volatile registers that don't contain possible
* inputs is: cr0, xer, ctr. We may use these as scratch regs upon entry
diff --git a/arch/powerpc/kernel/head_85xx.S b/arch/powerpc/kernel/head_85xx.S
index 97e9ea0c7297..0f1641a31250 100644
--- a/arch/powerpc/kernel/head_85xx.S
+++ b/arch/powerpc/kernel/head_85xx.S
@@ -395,7 +395,7 @@ interrupt_base:
#ifdef CONFIG_PPC_FPU
FP_UNAVAILABLE_EXCEPTION
#else
- EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, unknown_exception)
+ EXCEPTION(0x0800, FP_UNAVAIL, FloatingPointUnavailable, emulation_assist_interrupt)
#endif
/* System Call Interrupt */
diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index b1c0418b25c8..30b56c67fa61 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -105,7 +105,6 @@ static struct ctl_table powersave_nap_ctl_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
- {}
};
static int __init
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index cda4e00b67c1..7502066c3c53 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -68,7 +68,7 @@ static void *__init alloc_shared_lppaca(unsigned long size, unsigned long limit,
memblock_set_bottom_up(true);
/*
- * See Documentation/powerpc/ultravisor.rst for more details.
+ * See Documentation/arch/powerpc/ultravisor.rst for more details.
*
* UV/HV data sharing is in PAGE_SIZE granularity. In order to
* minimize the number of pages shared, align the allocation to
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 2f1026fba00d..20f72cd1d813 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -948,6 +948,8 @@ void __init setup_arch(char **cmdline_p)
/* Parse memory topology */
mem_topology_setup();
+ /* Set max_mapnr before paging_init() */
+ set_max_mapnr(max_pfn);
/*
* Release secondary cpus out of their spinloops at 0x60 now that
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 5826f5108a12..ab691c89d787 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1051,7 +1051,7 @@ static struct sched_domain_topology_level powerpc_topology[] = {
#endif
{ shared_cache_mask, powerpc_shared_cache_flags, SD_INIT_NAME(CACHE) },
{ cpu_mc_mask, SD_INIT_NAME(MC) },
- { cpu_cpu_mask, SD_INIT_NAME(DIE) },
+ { cpu_cpu_mask, SD_INIT_NAME(PKG) },
{ NULL, },
};
@@ -1595,7 +1595,7 @@ static void add_cpu_to_masks(int cpu)
/* Skip all CPUs already part of current CPU core mask */
cpumask_andnot(mask, cpu_online_mask, cpu_core_mask(cpu));
- /* If chip_id is -1; limit the cpu_core_mask to within DIE*/
+ /* If chip_id is -1; limit the cpu_core_mask to within PKG */
if (chip_id == -1)
cpumask_and(mask, mask, cpu_cpu_mask(cpu));
@@ -1629,7 +1629,7 @@ void start_secondary(void *unused)
smp_store_cpu_info(cpu);
set_dec(tb_ticks_per_jiffy);
- rcu_cpu_starting(cpu);
+ rcutree_report_cpu_starting(cpu);
cpu_callin_map[cpu] = 1;
if (smp_ops->setup_cpu)
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 20e50586e8a2..7fab411378f2 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -294,7 +294,7 @@
233 32 fadvise64 sys_ppc32_fadvise64 compat_sys_ppc32_fadvise64
233 64 fadvise64 sys_fadvise64
234 nospu exit_group sys_exit_group
-235 nospu lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie
+235 nospu lookup_dcookie sys_ni_syscall
236 common epoll_create sys_epoll_create
237 common epoll_ctl sys_epoll_ctl
238 common epoll_wait sys_epoll_wait
@@ -539,3 +539,7 @@
450 nospu set_mempolicy_home_node sys_set_mempolicy_home_node
451 common cachestat sys_cachestat
452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_ni_syscall
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue