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-rw-r--r--arch/hexagon/Kconfig1
-rw-r--r--arch/hexagon/include/asm/Kbuild1
-rw-r--r--arch/hexagon/include/asm/pgalloc.h10
-rw-r--r--arch/hexagon/include/asm/thread_info.h4
-rw-r--r--arch/hexagon/kernel/setup.c3
5 files changed, 7 insertions, 12 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 99041b07e610..09df2608f40a 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -4,7 +4,6 @@ comment "Linux Kernel Configuration for Hexagon"
config HEXAGON
def_bool y
select HAVE_OPROFILE
- select USE_GENERIC_SMP_HELPERS if SMP
# Other pending projects/to-do items.
# select HAVE_REGS_AND_STACK_ACCESS_API
# select HAVE_HW_BREAKPOINT if PERF_EVENTS
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index 1da17caac23c..67c3450309b7 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -53,3 +53,4 @@ generic-y += types.h
generic-y += ucontext.h
generic-y += unaligned.h
generic-y += xor.h
+generic-y += preempt.h
diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h
index 679bf6d66487..4c9d382d7798 100644
--- a/arch/hexagon/include/asm/pgalloc.h
+++ b/arch/hexagon/include/asm/pgalloc.h
@@ -65,10 +65,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
struct page *pte;
pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
-
- if (pte)
- pgtable_page_ctor(pte);
-
+ if (!pte)
+ return NULL;
+ if (!pgtable_page_ctor(pte)) {
+ __free_page(pte);
+ return NULL;
+ }
return pte;
}
diff --git a/arch/hexagon/include/asm/thread_info.h b/arch/hexagon/include/asm/thread_info.h
index f7c32406a711..a59dad3b3695 100644
--- a/arch/hexagon/include/asm/thread_info.h
+++ b/arch/hexagon/include/asm/thread_info.h
@@ -73,10 +73,6 @@ struct thread_info {
#endif /* __ASSEMBLY__ */
-/* looks like "linux/hardirq.h" uses this. */
-
-#define PREEMPT_ACTIVE 0x10000000
-
#ifndef __ASSEMBLY__
#define INIT_THREAD_INFO(tsk) \
diff --git a/arch/hexagon/kernel/setup.c b/arch/hexagon/kernel/setup.c
index 29d1f1b00016..0e7c1dbb37b2 100644
--- a/arch/hexagon/kernel/setup.c
+++ b/arch/hexagon/kernel/setup.c
@@ -32,9 +32,6 @@
#include <asm/hexagon_vm.h>
#include <asm/vm_mmu.h>
#include <asm/time.h>
-#ifdef CONFIG_OF
-#include <asm/prom.h>
-#endif
char cmd_line[COMMAND_LINE_SIZE];
static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE;