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authorScott Wood <scottwood@freescale.com>2015-02-13 22:12:06 (GMT)
committerScott Wood <scottwood@freescale.com>2015-02-13 22:19:22 (GMT)
commit6faa2909871d8937cb2f79a10e1b21ffe193fac1 (patch)
treef558a94f1553814cc122ab8d9e04c0ebad5262a5 /arch/metag
parentfcb2fb84301c673ee15ca04e7a2fc965712d49a0 (diff)
downloadlinux-fsl-qoriq-6faa2909871d8937cb2f79a10e1b21ffe193fac1.tar.xz
Reset to 3.12.37
Diffstat (limited to 'arch/metag')
-rw-r--r--arch/metag/include/asm/barrier.h3
-rw-r--r--arch/metag/include/asm/processor.h2
-rw-r--r--arch/metag/mm/hugetlbpage.c5
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h
index c90bfc6..e355a4c 100644
--- a/arch/metag/include/asm/barrier.h
+++ b/arch/metag/include/asm/barrier.h
@@ -15,6 +15,7 @@ static inline void wr_fence(void)
volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_FENCE;
barrier();
*flushptr = 0;
+ barrier();
}
#else /* CONFIG_METAG_META21 */
@@ -35,6 +36,7 @@ static inline void wr_fence(void)
*flushptr = 0;
*flushptr = 0;
*flushptr = 0;
+ barrier();
}
#endif /* !CONFIG_METAG_META21 */
@@ -68,6 +70,7 @@ static inline void fence(void)
volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_ATOMIC_UNLOCK;
barrier();
*flushptr = 0;
+ barrier();
}
#define smp_mb() fence()
#define smp_rmb() fence()
diff --git a/arch/metag/include/asm/processor.h b/arch/metag/include/asm/processor.h
index f16477d..3be8581 100644
--- a/arch/metag/include/asm/processor.h
+++ b/arch/metag/include/asm/processor.h
@@ -22,6 +22,8 @@
/* Add an extra page of padding at the top of the stack for the guard page. */
#define STACK_TOP (TASK_SIZE - PAGE_SIZE)
#define STACK_TOP_MAX STACK_TOP
+/* Maximum virtual space for stack */
+#define STACK_SIZE_MAX (1 << 28) /* 256 MB */
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c
index 0424315..3c52fa6 100644
--- a/arch/metag/mm/hugetlbpage.c
+++ b/arch/metag/mm/hugetlbpage.c
@@ -110,11 +110,6 @@ int pud_huge(pud_t pud)
return 0;
}
-int pmd_huge_support(void)
-{
- return 1;
-}
-
struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
pmd_t *pmd, int write)
{