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-rw-r--r--tools/include/asm-generic/atomic-gcc.h13
-rw-r--r--tools/include/asm-generic/bitops/atomic.h15
-rw-r--r--tools/include/linux/bitmap.h34
-rw-r--r--tools/include/uapi/linux/kvm.h20
4 files changed, 21 insertions, 61 deletions
diff --git a/tools/include/asm-generic/atomic-gcc.h b/tools/include/asm-generic/atomic-gcc.h
index 6daa68bf5b9e..9b3c528bab92 100644
--- a/tools/include/asm-generic/atomic-gcc.h
+++ b/tools/include/asm-generic/atomic-gcc.h
@@ -70,7 +70,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int oldval, int newval)
return cmpxchg(&(v)->counter, oldval, newval);
}
-static inline int atomic_test_and_set_bit(long nr, unsigned long *addr)
+static inline int test_and_set_bit(long nr, unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
long old;
@@ -81,4 +81,15 @@ static inline int atomic_test_and_set_bit(long nr, unsigned long *addr)
return !!(old & mask);
}
+static inline int test_and_clear_bit(long nr, unsigned long *addr)
+{
+ unsigned long mask = BIT_MASK(nr);
+ long old;
+
+ addr += BIT_WORD(nr);
+
+ old = __sync_fetch_and_and(addr, ~mask);
+ return !!(old & mask);
+}
+
#endif /* __TOOLS_ASM_GENERIC_ATOMIC_H */
diff --git a/tools/include/asm-generic/bitops/atomic.h b/tools/include/asm-generic/bitops/atomic.h
index 2f6ea28764a7..ab37a221b41a 100644
--- a/tools/include/asm-generic/bitops/atomic.h
+++ b/tools/include/asm-generic/bitops/atomic.h
@@ -5,14 +5,11 @@
#include <asm/types.h>
#include <asm/bitsperlong.h>
-static inline void set_bit(int nr, unsigned long *addr)
-{
- addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
-}
-
-static inline void clear_bit(int nr, unsigned long *addr)
-{
- addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
-}
+/*
+ * Just alias the test versions, all of the compiler built-in atomics "fetch",
+ * and optimizing compile-time constants on x86 isn't worth the complexity.
+ */
+#define set_bit test_and_set_bit
+#define clear_bit test_and_clear_bit
#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index 65d0747c5205..f3566ea0f932 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -78,40 +78,6 @@ static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
}
/**
- * test_and_set_bit - Set a bit and return its old value
- * @nr: Bit to set
- * @addr: Address to count from
- */
-static inline int test_and_set_bit(int nr, unsigned long *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
- unsigned long old;
-
- old = *p;
- *p = old | mask;
-
- return (old & mask) != 0;
-}
-
-/**
- * test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to clear
- * @addr: Address to count from
- */
-static inline int test_and_clear_bit(int nr, unsigned long *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
- unsigned long old;
-
- old = *p;
- *p = old & ~mask;
-
- return (old & mask) != 0;
-}
-
-/**
* bitmap_zalloc - Allocate bitmap
* @nbits: Number of bits
*/
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 0d5d4419139a..21d6d29502e4 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -86,14 +86,6 @@ struct kvm_debug_guest {
/* *** End of deprecated interfaces *** */
-/* for KVM_CREATE_MEMORY_REGION */
-struct kvm_memory_region {
- __u32 slot;
- __u32 flags;
- __u64 guest_phys_addr;
- __u64 memory_size; /* bytes */
-};
-
/* for KVM_SET_USER_MEMORY_REGION */
struct kvm_userspace_memory_region {
__u32 slot;
@@ -104,9 +96,9 @@ struct kvm_userspace_memory_region {
};
/*
- * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
- * other bits are reserved for kvm internal use which are defined in
- * include/linux/kvm_host.h.
+ * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
+ * userspace, other bits are reserved for kvm internal use which are defined
+ *in include/linux/kvm_host.h.
*/
#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
#define KVM_MEM_READONLY (1UL << 1)
@@ -1438,17 +1430,11 @@ struct kvm_vfio_spapr_tce {
};
/*
- * ioctls for VM fds
- */
-#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
-/*
* KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
* a vcpu fd.
*/
#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
-/* KVM_SET_MEMORY_ALIAS is obsolete: */
-#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \