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-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h1
-rw-r--r--tools/include/linux/compiler.h21
-rw-r--r--tools/include/linux/lockdep.h1
-rw-r--r--tools/include/uapi/linux/kvm.h4
-rw-r--r--tools/objtool/arch/x86/lib/x86-opcode-map.txt15
-rw-r--r--tools/perf/util/intel-pt-decoder/x86-opcode-map.txt13
-rw-r--r--tools/perf/util/mmap.h2
-rw-r--r--tools/virtio/ringtest/ptr_ring.c29
-rw-r--r--tools/vm/slabinfo-gnuplot.sh2
9 files changed, 61 insertions, 27 deletions
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index c0b0e9e8aa66..800104c8a3ed 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -266,6 +266,7 @@
/* AMD-defined CPU features, CPUID level 0x80000008 (EBX), word 13 */
#define X86_FEATURE_CLZERO (13*32+ 0) /* CLZERO instruction */
#define X86_FEATURE_IRPERF (13*32+ 1) /* Instructions Retired Count */
+#define X86_FEATURE_XSAVEERPTR (13*32+ 2) /* Always save/restore FP error pointers */
/* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
#define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index 07fd03c74a77..04e32f965ad7 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -84,8 +84,6 @@
#define uninitialized_var(x) x = *(&(x))
-#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
-
#include <linux/types.h>
/*
@@ -135,20 +133,19 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
/*
* Prevent the compiler from merging or refetching reads or writes. The
* compiler is also forbidden from reordering successive instances of
- * READ_ONCE, WRITE_ONCE and ACCESS_ONCE (see below), but only when the
- * compiler is aware of some particular ordering. One way to make the
- * compiler aware of ordering is to put the two invocations of READ_ONCE,
- * WRITE_ONCE or ACCESS_ONCE() in different C statements.
+ * READ_ONCE and WRITE_ONCE, but only when the compiler is aware of some
+ * particular ordering. One way to make the compiler aware of ordering is to
+ * put the two invocations of READ_ONCE or WRITE_ONCE in different C
+ * statements.
*
- * In contrast to ACCESS_ONCE these two macros will also work on aggregate
- * data types like structs or unions. If the size of the accessed data
- * type exceeds the word size of the machine (e.g., 32 bits or 64 bits)
- * READ_ONCE() and WRITE_ONCE() will fall back to memcpy and print a
- * compile-time warning.
+ * These two macros will also work on aggregate data types like structs or
+ * unions. If the size of the accessed data type exceeds the word size of
+ * the machine (e.g., 32 bits or 64 bits) READ_ONCE() and WRITE_ONCE() will
+ * fall back to memcpy and print a compile-time warning.
*
* Their two major use cases are: (1) Mediating communication between
* process-level code and irq/NMI handlers, all running on the same CPU,
- * and (2) Ensuring that the compiler does not fold, spindle, or otherwise
+ * and (2) Ensuring that the compiler does not fold, spindle, or otherwise
* mutilate accesses that either do not require ordering or that interact
* with an explicit memory barrier or atomic instruction that provides the
* required ordering.
diff --git a/tools/include/linux/lockdep.h b/tools/include/linux/lockdep.h
index 940c1b075659..6b0c36a58fcb 100644
--- a/tools/include/linux/lockdep.h
+++ b/tools/include/linux/lockdep.h
@@ -48,6 +48,7 @@ static inline int debug_locks_off(void)
#define printk(...) dprintf(STDOUT_FILENO, __VA_ARGS__)
#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
#define pr_warn pr_err
+#define pr_cont pr_err
#define list_del_rcu list_del
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 282d7613fce8..496e59a2738b 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -630,9 +630,9 @@ struct kvm_s390_irq {
struct kvm_s390_irq_state {
__u64 buf;
- __u32 flags;
+ __u32 flags; /* will stay unused for compatibility reasons */
__u32 len;
- __u32 reserved[4];
+ __u32 reserved[4]; /* will stay unused for compatibility reasons */
};
/* for KVM_SET_GUEST_DEBUG */
diff --git a/tools/objtool/arch/x86/lib/x86-opcode-map.txt b/tools/objtool/arch/x86/lib/x86-opcode-map.txt
index 12e377184ee4..e0b85930dd77 100644
--- a/tools/objtool/arch/x86/lib/x86-opcode-map.txt
+++ b/tools/objtool/arch/x86/lib/x86-opcode-map.txt
@@ -607,7 +607,7 @@ fb: psubq Pq,Qq | vpsubq Vx,Hx,Wx (66),(v1)
fc: paddb Pq,Qq | vpaddb Vx,Hx,Wx (66),(v1)
fd: paddw Pq,Qq | vpaddw Vx,Hx,Wx (66),(v1)
fe: paddd Pq,Qq | vpaddd Vx,Hx,Wx (66),(v1)
-ff:
+ff: UD0
EndTable
Table: 3-byte opcode 1 (0x0f 0x38)
@@ -717,7 +717,7 @@ AVXcode: 2
7e: vpermt2d/q Vx,Hx,Wx (66),(ev)
7f: vpermt2ps/d Vx,Hx,Wx (66),(ev)
80: INVEPT Gy,Mdq (66)
-81: INVPID Gy,Mdq (66)
+81: INVVPID Gy,Mdq (66)
82: INVPCID Gy,Mdq (66)
83: vpmultishiftqb Vx,Hx,Wx (66),(ev)
88: vexpandps/d Vpd,Wpd (66),(ev)
@@ -896,7 +896,7 @@ EndTable
GrpTable: Grp3_1
0: TEST Eb,Ib
-1:
+1: TEST Eb,Ib
2: NOT Eb
3: NEG Eb
4: MUL AL,Eb
@@ -970,6 +970,15 @@ GrpTable: Grp9
EndTable
GrpTable: Grp10
+# all are UD1
+0: UD1
+1: UD1
+2: UD1
+3: UD1
+4: UD1
+5: UD1
+6: UD1
+7: UD1
EndTable
# Grp11A and Grp11B are expressed as Grp11 in Intel SDM
diff --git a/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt b/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt
index c4d55919fac1..e0b85930dd77 100644
--- a/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt
+++ b/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt
@@ -607,7 +607,7 @@ fb: psubq Pq,Qq | vpsubq Vx,Hx,Wx (66),(v1)
fc: paddb Pq,Qq | vpaddb Vx,Hx,Wx (66),(v1)
fd: paddw Pq,Qq | vpaddw Vx,Hx,Wx (66),(v1)
fe: paddd Pq,Qq | vpaddd Vx,Hx,Wx (66),(v1)
-ff:
+ff: UD0
EndTable
Table: 3-byte opcode 1 (0x0f 0x38)
@@ -717,7 +717,7 @@ AVXcode: 2
7e: vpermt2d/q Vx,Hx,Wx (66),(ev)
7f: vpermt2ps/d Vx,Hx,Wx (66),(ev)
80: INVEPT Gy,Mdq (66)
-81: INVPID Gy,Mdq (66)
+81: INVVPID Gy,Mdq (66)
82: INVPCID Gy,Mdq (66)
83: vpmultishiftqb Vx,Hx,Wx (66),(ev)
88: vexpandps/d Vpd,Wpd (66),(ev)
@@ -970,6 +970,15 @@ GrpTable: Grp9
EndTable
GrpTable: Grp10
+# all are UD1
+0: UD1
+1: UD1
+2: UD1
+3: UD1
+4: UD1
+5: UD1
+6: UD1
+7: UD1
EndTable
# Grp11A and Grp11B are expressed as Grp11 in Intel SDM
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h
index efd78b827b05..3a5cb5a6e94a 100644
--- a/tools/perf/util/mmap.h
+++ b/tools/perf/util/mmap.h
@@ -70,7 +70,7 @@ void perf_mmap__read_catchup(struct perf_mmap *md);
static inline u64 perf_mmap__read_head(struct perf_mmap *mm)
{
struct perf_event_mmap_page *pc = mm->base;
- u64 head = ACCESS_ONCE(pc->data_head);
+ u64 head = READ_ONCE(pc->data_head);
rmb();
return head;
}
diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c
index 38bb171aceba..e6e81305ef46 100644
--- a/tools/virtio/ringtest/ptr_ring.c
+++ b/tools/virtio/ringtest/ptr_ring.c
@@ -16,24 +16,41 @@
#define unlikely(x) (__builtin_expect(!!(x), 0))
#define likely(x) (__builtin_expect(!!(x), 1))
#define ALIGN(x, a) (((x) + (a) - 1) / (a) * (a))
+#define SIZE_MAX (~(size_t)0)
+
typedef pthread_spinlock_t spinlock_t;
typedef int gfp_t;
-static void *kmalloc(unsigned size, gfp_t gfp)
-{
- return memalign(64, size);
-}
+#define __GFP_ZERO 0x1
-static void *kzalloc(unsigned size, gfp_t gfp)
+static void *kmalloc(unsigned size, gfp_t gfp)
{
void *p = memalign(64, size);
if (!p)
return p;
- memset(p, 0, size);
+ if (gfp & __GFP_ZERO)
+ memset(p, 0, size);
return p;
}
+static inline void *kzalloc(unsigned size, gfp_t flags)
+{
+ return kmalloc(size, flags | __GFP_ZERO);
+}
+
+static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
+{
+ if (size != 0 && n > SIZE_MAX / size)
+ return NULL;
+ return kmalloc(n * size, flags);
+}
+
+static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
+{
+ return kmalloc_array(n, size, flags | __GFP_ZERO);
+}
+
static void kfree(void *p)
{
if (p)
diff --git a/tools/vm/slabinfo-gnuplot.sh b/tools/vm/slabinfo-gnuplot.sh
index 35b039864b77..0cf28aa6f21c 100644
--- a/tools/vm/slabinfo-gnuplot.sh
+++ b/tools/vm/slabinfo-gnuplot.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# Sergey Senozhatsky, 2015
# sergey.senozhatsky.work@gmail.com