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-rw-r--r--arch/arm64/include/asm/atomic.h53
-rw-r--r--arch/arm64/include/asm/barrier.h2
-rw-r--r--arch/arm64/include/asm/cacheflush.h1
-rw-r--r--arch/arm64/include/asm/cmpxchg.h17
-rw-r--r--arch/arm64/include/asm/dma-contiguous.h1
-rw-r--r--arch/arm64/include/asm/esr.h2
-rw-r--r--arch/arm64/include/asm/futex.h10
-rw-r--r--arch/arm64/include/asm/kvm_arm.h2
-rw-r--r--arch/arm64/include/asm/pgtable.h93
-rw-r--r--arch/arm64/include/asm/spinlock.h10
-rw-r--r--arch/arm64/include/asm/unistd32.h5
11 files changed, 121 insertions, 75 deletions
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h
index 01de5aaa3ed..0237f0867e3 100644
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -54,8 +54,7 @@ static inline void atomic_add(int i, atomic_t *v)
" stxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline int atomic_add_return(int i, atomic_t *v)
@@ -64,14 +63,15 @@ static inline int atomic_add_return(int i, atomic_t *v)
int result;
asm volatile("// atomic_add_return\n"
-"1: ldaxr %w0, %2\n"
+"1: ldxr %w0, %2\n"
" add %w0, %w0, %w3\n"
" stlxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
@@ -86,8 +86,7 @@ static inline void atomic_sub(int i, atomic_t *v)
" stxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline int atomic_sub_return(int i, atomic_t *v)
@@ -96,14 +95,15 @@ static inline int atomic_sub_return(int i, atomic_t *v)
int result;
asm volatile("// atomic_sub_return\n"
-"1: ldaxr %w0, %2\n"
+"1: ldxr %w0, %2\n"
" sub %w0, %w0, %w3\n"
" stlxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
@@ -112,17 +112,20 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
unsigned long tmp;
int oldval;
+ smp_mb();
+
asm volatile("// atomic_cmpxchg\n"
-"1: ldaxr %w1, %2\n"
+"1: ldxr %w1, %2\n"
" cmp %w1, %w3\n"
" b.ne 2f\n"
-" stlxr %w0, %w4, %2\n"
+" stxr %w0, %w4, %2\n"
" cbnz %w0, 1b\n"
"2:"
: "=&r" (tmp), "=&r" (oldval), "+Q" (ptr->counter)
: "Ir" (old), "r" (new)
- : "cc", "memory");
+ : "cc");
+ smp_mb();
return oldval;
}
@@ -173,8 +176,7 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
" stxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline long atomic64_add_return(long i, atomic64_t *v)
@@ -183,14 +185,15 @@ static inline long atomic64_add_return(long i, atomic64_t *v)
unsigned long tmp;
asm volatile("// atomic64_add_return\n"
-"1: ldaxr %0, %2\n"
+"1: ldxr %0, %2\n"
" add %0, %0, %3\n"
" stlxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
@@ -205,8 +208,7 @@ static inline void atomic64_sub(u64 i, atomic64_t *v)
" stxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline long atomic64_sub_return(long i, atomic64_t *v)
@@ -215,14 +217,15 @@ static inline long atomic64_sub_return(long i, atomic64_t *v)
unsigned long tmp;
asm volatile("// atomic64_sub_return\n"
-"1: ldaxr %0, %2\n"
+"1: ldxr %0, %2\n"
" sub %0, %0, %3\n"
" stlxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
@@ -231,17 +234,20 @@ static inline long atomic64_cmpxchg(atomic64_t *ptr, long old, long new)
long oldval;
unsigned long res;
+ smp_mb();
+
asm volatile("// atomic64_cmpxchg\n"
-"1: ldaxr %1, %2\n"
+"1: ldxr %1, %2\n"
" cmp %1, %3\n"
" b.ne 2f\n"
-" stlxr %w0, %4, %2\n"
+" stxr %w0, %4, %2\n"
" cbnz %w0, 1b\n"
"2:"
: "=&r" (res), "=&r" (oldval), "+Q" (ptr->counter)
: "Ir" (old), "r" (new)
- : "cc", "memory");
+ : "cc");
+ smp_mb();
return oldval;
}
@@ -253,11 +259,12 @@ static inline long atomic64_dec_if_positive(atomic64_t *v)
unsigned long tmp;
asm volatile("// atomic64_dec_if_positive\n"
-"1: ldaxr %0, %2\n"
+"1: ldxr %0, %2\n"
" subs %0, %0, #1\n"
" b.mi 2f\n"
" stlxr %w1, %0, %2\n"
" cbnz %w1, 1b\n"
+" dmb ish\n"
"2:"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
:
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 78e20ba8806..409ca370cfe 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -25,7 +25,7 @@
#define wfi() asm volatile("wfi" : : : "memory")
#define isb() asm volatile("isb" : : : "memory")
-#define dsb() asm volatile("dsb sy" : : : "memory")
+#define dsb(opt) asm volatile("dsb sy" : : : "memory")
#define mb() dsb()
#define rmb() asm volatile("dsb ld" : : : "memory")
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h
index fea9ee32720..889324981aa 100644
--- a/arch/arm64/include/asm/cacheflush.h
+++ b/arch/arm64/include/asm/cacheflush.h
@@ -116,6 +116,7 @@ extern void flush_dcache_page(struct page *);
static inline void __flush_icache_all(void)
{
asm("ic ialluis");
+ dsb();
}
#define flush_dcache_mmap_lock(mapping) \
diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 56166d7f4a2..57c0fa7bf71 100644
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -29,44 +29,45 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
switch (size) {
case 1:
asm volatile("// __xchg1\n"
- "1: ldaxrb %w0, %2\n"
+ "1: ldxrb %w0, %2\n"
" stlxrb %w1, %w3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u8 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
case 2:
asm volatile("// __xchg2\n"
- "1: ldaxrh %w0, %2\n"
+ "1: ldxrh %w0, %2\n"
" stlxrh %w1, %w3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u16 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
case 4:
asm volatile("// __xchg4\n"
- "1: ldaxr %w0, %2\n"
+ "1: ldxr %w0, %2\n"
" stlxr %w1, %w3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u32 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
case 8:
asm volatile("// __xchg8\n"
- "1: ldaxr %0, %2\n"
+ "1: ldxr %0, %2\n"
" stlxr %w1, %3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u64 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
default:
BUILD_BUG();
}
+ smp_mb();
return ret;
}
diff --git a/arch/arm64/include/asm/dma-contiguous.h b/arch/arm64/include/asm/dma-contiguous.h
index d6aacb61ff4..14c4c0ca7f2 100644
--- a/arch/arm64/include/asm/dma-contiguous.h
+++ b/arch/arm64/include/asm/dma-contiguous.h
@@ -18,7 +18,6 @@
#ifdef CONFIG_DMA_CMA
#include <linux/types.h>
-#include <asm-generic/dma-contiguous.h>
static inline void
dma_contiguous_early_fixup(phys_addr_t base, unsigned long size) { }
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 78834123a32..c4a7f940b38 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -42,7 +42,7 @@
#define ESR_EL1_EC_SP_ALIGN (0x26)
#define ESR_EL1_EC_FP_EXC32 (0x28)
#define ESR_EL1_EC_FP_EXC64 (0x2C)
-#define ESR_EL1_EC_SERRROR (0x2F)
+#define ESR_EL1_EC_SERROR (0x2F)
#define ESR_EL1_EC_BREAKPT_EL0 (0x30)
#define ESR_EL1_EC_BREAKPT_EL1 (0x31)
#define ESR_EL1_EC_SOFTSTP_EL0 (0x32)
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index 78cc3aba5d6..5f750dc96e0 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -24,10 +24,11 @@
#define __futex_atomic_op(insn, ret, oldval, uaddr, tmp, oparg) \
asm volatile( \
-"1: ldaxr %w1, %2\n" \
+"1: ldxr %w1, %2\n" \
insn "\n" \
"2: stlxr %w3, %w0, %2\n" \
" cbnz %w3, 1b\n" \
+" dmb ish\n" \
"3:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -40,7 +41,7 @@
" .popsection\n" \
: "=&r" (ret), "=&r" (oldval), "+Q" (*uaddr), "=&r" (tmp) \
: "r" (oparg), "Ir" (-EFAULT) \
- : "cc", "memory")
+ : "memory")
static inline int
futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
@@ -111,11 +112,12 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
return -EFAULT;
asm volatile("// futex_atomic_cmpxchg_inatomic\n"
-"1: ldaxr %w1, %2\n"
+"1: ldxr %w1, %2\n"
" sub %w3, %w1, %w4\n"
" cbnz %w3, 3f\n"
"2: stlxr %w3, %w5, %2\n"
" cbnz %w3, 1b\n"
+" dmb ish\n"
"3:\n"
" .pushsection .fixup,\"ax\"\n"
"4: mov %w0, %w6\n"
@@ -127,7 +129,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
" .popsection\n"
: "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp)
: "r" (oldval), "r" (newval), "Ir" (-EFAULT)
- : "cc", "memory");
+ : "memory");
*uval = val;
return ret;
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index c98ef4771c7..0eb39865537 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -231,7 +231,7 @@
#define ESR_EL2_EC_SP_ALIGN (0x26)
#define ESR_EL2_EC_FP_EXC32 (0x28)
#define ESR_EL2_EC_FP_EXC64 (0x2C)
-#define ESR_EL2_EC_SERRROR (0x2F)
+#define ESR_EL2_EC_SERROR (0x2F)
#define ESR_EL2_EC_BREAKPT (0x30)
#define ESR_EL2_EC_BREAKPT_HYP (0x31)
#define ESR_EL2_EC_SOFTSTP (0x32)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 7f2b60affbb..b524dcd1724 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -28,7 +28,7 @@
#define PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !pte_present() */
#define PTE_DIRTY (_AT(pteval_t, 1) << 55)
#define PTE_SPECIAL (_AT(pteval_t, 1) << 56)
- /* bit 57 for PMD_SECT_SPLITTING */
+#define PTE_WRITE (_AT(pteval_t, 1) << 57)
#define PTE_PROT_NONE (_AT(pteval_t, 1) << 58) /* only when !PTE_VALID */
/*
@@ -67,15 +67,15 @@ extern pgprot_t pgprot_default;
#define _MOD_PROT(p, b) __pgprot_modify(p, 0, b)
-#define PAGE_NONE __pgprot_modify(pgprot_default, PTE_TYPE_MASK, PTE_PROT_NONE | PTE_RDONLY | PTE_PXN | PTE_UXN)
-#define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
-#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN)
-#define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
-#define PAGE_COPY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
-#define PAGE_READONLY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
-#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
-#define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY)
-#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY)
+#define PAGE_NONE __pgprot_modify(pgprot_default, PTE_TYPE_MASK, PTE_PROT_NONE | PTE_PXN | PTE_UXN)
+#define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
+#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_WRITE)
+#define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
+#define PAGE_COPY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN)
+#define PAGE_READONLY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
+#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN)
+#define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE)
+#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY | PTE_WRITE)
#define PAGE_HYP _MOD_PROT(pgprot_default, PTE_HYP)
#define PAGE_HYP_DEVICE __pgprot(PROT_DEVICE_nGnRE | PTE_HYP)
@@ -83,13 +83,13 @@ extern pgprot_t pgprot_default;
#define PAGE_S2 __pgprot_modify(pgprot_default, PTE_S2_MEMATTR_MASK, PTE_S2_MEMATTR(MT_S2_NORMAL) | PTE_S2_RDONLY)
#define PAGE_S2_DEVICE __pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_DEVICE_nGnRE) | PTE_S2_RDWR | PTE_UXN)
-#define __PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE | PTE_RDONLY | PTE_PXN | PTE_UXN)
-#define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
-#define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
-#define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
-#define __PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
-#define __PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
-#define __PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
+#define __PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE | PTE_PXN | PTE_UXN)
+#define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
+#define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_WRITE)
+#define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
+#define __PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
+#define __PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
+#define __PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
#endif /* __ASSEMBLY__ */
@@ -140,22 +140,53 @@ extern struct page *empty_zero_page;
#define pte_dirty(pte) (pte_val(pte) & PTE_DIRTY)
#define pte_young(pte) (pte_val(pte) & PTE_AF)
#define pte_special(pte) (pte_val(pte) & PTE_SPECIAL)
-#define pte_write(pte) (!(pte_val(pte) & PTE_RDONLY))
+#define pte_write(pte) (pte_val(pte) & PTE_WRITE)
#define pte_exec(pte) (!(pte_val(pte) & PTE_UXN))
#define pte_valid_user(pte) \
((pte_val(pte) & (PTE_VALID | PTE_USER)) == (PTE_VALID | PTE_USER))
-#define PTE_BIT_FUNC(fn,op) \
-static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
+static inline pte_t pte_wrprotect(pte_t pte)
+{
+ pte_val(pte) &= ~PTE_WRITE;
+ return pte;
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)
+{
+ pte_val(pte) |= PTE_WRITE;
+ return pte;
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+ pte_val(pte) &= ~PTE_DIRTY;
+ return pte;
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{
+ pte_val(pte) |= PTE_DIRTY;
+ return pte;
+}
-PTE_BIT_FUNC(wrprotect, |= PTE_RDONLY);
-PTE_BIT_FUNC(mkwrite, &= ~PTE_RDONLY);
-PTE_BIT_FUNC(mkclean, &= ~PTE_DIRTY);
-PTE_BIT_FUNC(mkdirty, |= PTE_DIRTY);
-PTE_BIT_FUNC(mkold, &= ~PTE_AF);
-PTE_BIT_FUNC(mkyoung, |= PTE_AF);
-PTE_BIT_FUNC(mkspecial, |= PTE_SPECIAL);
+static inline pte_t pte_mkold(pte_t pte)
+{
+ pte_val(pte) &= ~PTE_AF;
+ return pte;
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+ pte_val(pte) |= PTE_AF;
+ return pte;
+}
+
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ pte_val(pte) |= PTE_SPECIAL;
+ return pte;
+}
static inline void set_pte(pte_t *ptep, pte_t pte)
{
@@ -170,8 +201,10 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
if (pte_valid_user(pte)) {
if (pte_exec(pte))
__sync_icache_dcache(pte, addr);
- if (!pte_dirty(pte))
- pte = pte_wrprotect(pte);
+ if (pte_dirty(pte) && pte_write(pte))
+ pte_val(pte) &= ~PTE_RDONLY;
+ else
+ pte_val(pte) |= PTE_RDONLY;
}
set_pte(ptep, pte);
@@ -345,7 +378,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY |
- PTE_PROT_NONE | PTE_VALID;
+ PTE_PROT_NONE | PTE_VALID | PTE_WRITE;
pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
return pte;
}
diff --git a/arch/arm64/include/asm/spinlock.h b/arch/arm64/include/asm/spinlock.h
index 3d5cf064d7a..c45b7b1b719 100644
--- a/arch/arm64/include/asm/spinlock.h
+++ b/arch/arm64/include/asm/spinlock.h
@@ -132,7 +132,7 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
" cbnz %w0, 2b\n"
: "=&r" (tmp), "+Q" (rw->lock)
: "r" (0x80000000)
- : "cc", "memory");
+ : "memory");
}
static inline int arch_write_trylock(arch_rwlock_t *rw)
@@ -146,7 +146,7 @@ static inline int arch_write_trylock(arch_rwlock_t *rw)
"1:\n"
: "=&r" (tmp), "+Q" (rw->lock)
: "r" (0x80000000)
- : "cc", "memory");
+ : "memory");
return !tmp;
}
@@ -187,7 +187,7 @@ static inline void arch_read_lock(arch_rwlock_t *rw)
" cbnz %w1, 2b\n"
: "=&r" (tmp), "=&r" (tmp2), "+Q" (rw->lock)
:
- : "cc", "memory");
+ : "memory");
}
static inline void arch_read_unlock(arch_rwlock_t *rw)
@@ -201,7 +201,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw)
" cbnz %w1, 1b\n"
: "=&r" (tmp), "=&r" (tmp2), "+Q" (rw->lock)
:
- : "cc", "memory");
+ : "memory");
}
static inline int arch_read_trylock(arch_rwlock_t *rw)
@@ -216,7 +216,7 @@ static inline int arch_read_trylock(arch_rwlock_t *rw)
"1:\n"
: "=&r" (tmp), "+r" (tmp2), "+Q" (rw->lock)
:
- : "cc", "memory");
+ : "memory");
return !tmp2;
}
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 58125bf008d..bb8eb8a78e6 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -399,7 +399,10 @@ __SYSCALL(374, compat_sys_sendmmsg)
__SYSCALL(375, sys_setns)
__SYSCALL(376, compat_sys_process_vm_readv)
__SYSCALL(377, compat_sys_process_vm_writev)
-__SYSCALL(378, sys_ni_syscall) /* 378 for kcmp */
+__SYSCALL(378, sys_kcmp)
+__SYSCALL(379, sys_finit_module)
+__SYSCALL(380, sys_sched_setattr)
+__SYSCALL(381, sys_sched_getattr)
#define __NR_compat_syscalls 379