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authorLinus Torvalds <torvalds@linux-foundation.org>2018-03-06 07:31:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-03-06 07:31:14 +0300
commitce380619fab99036f5e745c7a865b21c59f005f6 (patch)
tree04c32364dabb8917c3beeb740357b4c0d0232792 /arch
parent094b58e1040a44f991d7ab628035e69c4d6b79c9 (diff)
parent48e362dd96f37d819042f848888b2c6407e01e6d (diff)
downloadlinux-ce380619fab99036f5e745c7a865b21c59f005f6.tar.xz
Merge tag 'please-pull-ia64_misc' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull ia64 cleanups from Tony Luck: - More atomic cleanup from willy - Fix a python script to work with version 3 - Some other small cleanups * tag 'please-pull-ia64_misc' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: ia64/err-inject: fix spelling mistake: "capapbilities" -> "capabilities" ia64/err-inject: Use get_user_pages_fast() ia64: doc: tweak whitespace for 'console=' parameter ia64: Convert remaining atomic operations ia64: convert unwcheck.py to python3
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/include/asm/atomic.h69
-rw-r--r--arch/ia64/kernel/err_inject.c4
-rw-r--r--arch/ia64/scripts/unwcheck.py16
3 files changed, 33 insertions, 56 deletions
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 762eeb0fcc1d..2524fb60fbc2 100644
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -66,38 +66,35 @@ ATOMIC_OPS(add, +)
ATOMIC_OPS(sub, -)
#ifdef __OPTIMIZE__
-#define __ia64_atomic_const(i) __builtin_constant_p(i) ? \
+#define __ia64_atomic_const(i) \
+ static const int __ia64_atomic_p = __builtin_constant_p(i) ? \
((i) == 1 || (i) == 4 || (i) == 8 || (i) == 16 || \
- (i) == -1 || (i) == -4 || (i) == -8 || (i) == -16) : 0
+ (i) == -1 || (i) == -4 || (i) == -8 || (i) == -16) : 0;\
+ __ia64_atomic_p
+#else
+#define __ia64_atomic_const(i) 0
+#endif
-#define atomic_add_return(i, v) \
+#define atomic_add_return(i,v) \
({ \
- int __i = (i); \
- static const int __ia64_atomic_p = __ia64_atomic_const(i); \
- __ia64_atomic_p ? ia64_fetch_and_add(__i, &(v)->counter) : \
- ia64_atomic_add(__i, v); \
+ int __ia64_aar_i = (i); \
+ __ia64_atomic_const(i) \
+ ? ia64_fetch_and_add(__ia64_aar_i, &(v)->counter) \
+ : ia64_atomic_add(__ia64_aar_i, v); \
})
-#define atomic_sub_return(i, v) \
+#define atomic_sub_return(i,v) \
({ \
- int __i = (i); \
- static const int __ia64_atomic_p = __ia64_atomic_const(i); \
- __ia64_atomic_p ? ia64_fetch_and_add(-__i, &(v)->counter) : \
- ia64_atomic_sub(__i, v); \
+ int __ia64_asr_i = (i); \
+ __ia64_atomic_const(i) \
+ ? ia64_fetch_and_add(-__ia64_asr_i, &(v)->counter) \
+ : ia64_atomic_sub(__ia64_asr_i, v); \
})
-#else
-#define atomic_add_return(i, v) ia64_atomic_add(i, v)
-#define atomic_sub_return(i, v) ia64_atomic_sub(i, v)
-#endif
#define atomic_fetch_add(i,v) \
({ \
int __ia64_aar_i = (i); \
- (__builtin_constant_p(i) \
- && ( (__ia64_aar_i == 1) || (__ia64_aar_i == 4) \
- || (__ia64_aar_i == 8) || (__ia64_aar_i == 16) \
- || (__ia64_aar_i == -1) || (__ia64_aar_i == -4) \
- || (__ia64_aar_i == -8) || (__ia64_aar_i == -16))) \
+ __ia64_atomic_const(i) \
? ia64_fetchadd(__ia64_aar_i, &(v)->counter, acq) \
: ia64_atomic_fetch_add(__ia64_aar_i, v); \
})
@@ -105,11 +102,7 @@ ATOMIC_OPS(sub, -)
#define atomic_fetch_sub(i,v) \
({ \
int __ia64_asr_i = (i); \
- (__builtin_constant_p(i) \
- && ( (__ia64_asr_i == 1) || (__ia64_asr_i == 4) \
- || (__ia64_asr_i == 8) || (__ia64_asr_i == 16) \
- || (__ia64_asr_i == -1) || (__ia64_asr_i == -4) \
- || (__ia64_asr_i == -8) || (__ia64_asr_i == -16))) \
+ __ia64_atomic_const(i) \
? ia64_fetchadd(-__ia64_asr_i, &(v)->counter, acq) \
: ia64_atomic_fetch_sub(__ia64_asr_i, v); \
})
@@ -170,11 +163,7 @@ ATOMIC64_OPS(sub, -)
#define atomic64_add_return(i,v) \
({ \
long __ia64_aar_i = (i); \
- (__builtin_constant_p(i) \
- && ( (__ia64_aar_i == 1) || (__ia64_aar_i == 4) \
- || (__ia64_aar_i == 8) || (__ia64_aar_i == 16) \
- || (__ia64_aar_i == -1) || (__ia64_aar_i == -4) \
- || (__ia64_aar_i == -8) || (__ia64_aar_i == -16))) \
+ __ia64_atomic_const(i) \
? ia64_fetch_and_add(__ia64_aar_i, &(v)->counter) \
: ia64_atomic64_add(__ia64_aar_i, v); \
})
@@ -182,11 +171,7 @@ ATOMIC64_OPS(sub, -)
#define atomic64_sub_return(i,v) \
({ \
long __ia64_asr_i = (i); \
- (__builtin_constant_p(i) \
- && ( (__ia64_asr_i == 1) || (__ia64_asr_i == 4) \
- || (__ia64_asr_i == 8) || (__ia64_asr_i == 16) \
- || (__ia64_asr_i == -1) || (__ia64_asr_i == -4) \
- || (__ia64_asr_i == -8) || (__ia64_asr_i == -16))) \
+ __ia64_atomic_const(i) \
? ia64_fetch_and_add(-__ia64_asr_i, &(v)->counter) \
: ia64_atomic64_sub(__ia64_asr_i, v); \
})
@@ -194,11 +179,7 @@ ATOMIC64_OPS(sub, -)
#define atomic64_fetch_add(i,v) \
({ \
long __ia64_aar_i = (i); \
- (__builtin_constant_p(i) \
- && ( (__ia64_aar_i == 1) || (__ia64_aar_i == 4) \
- || (__ia64_aar_i == 8) || (__ia64_aar_i == 16) \
- || (__ia64_aar_i == -1) || (__ia64_aar_i == -4) \
- || (__ia64_aar_i == -8) || (__ia64_aar_i == -16))) \
+ __ia64_atomic_const(i) \
? ia64_fetchadd(__ia64_aar_i, &(v)->counter, acq) \
: ia64_atomic64_fetch_add(__ia64_aar_i, v); \
})
@@ -206,11 +187,7 @@ ATOMIC64_OPS(sub, -)
#define atomic64_fetch_sub(i,v) \
({ \
long __ia64_asr_i = (i); \
- (__builtin_constant_p(i) \
- && ( (__ia64_asr_i == 1) || (__ia64_asr_i == 4) \
- || (__ia64_asr_i == 8) || (__ia64_asr_i == 16) \
- || (__ia64_asr_i == -1) || (__ia64_asr_i == -4) \
- || (__ia64_asr_i == -8) || (__ia64_asr_i == -16))) \
+ __ia64_atomic_const(i) \
? ia64_fetchadd(-__ia64_asr_i, &(v)->counter, acq) \
: ia64_atomic64_fetch_sub(__ia64_asr_i, v); \
})
diff --git a/arch/ia64/kernel/err_inject.c b/arch/ia64/kernel/err_inject.c
index 85bba43e7d5d..8b5b8e6bc9d9 100644
--- a/arch/ia64/kernel/err_inject.c
+++ b/arch/ia64/kernel/err_inject.c
@@ -117,7 +117,7 @@ store_call_start(struct device *dev, struct device_attribute *attr,
#ifdef ERR_INJ_DEBUG
printk(KERN_DEBUG "Returns: status=%d,\n", (int)status[cpu]);
- printk(KERN_DEBUG "capapbilities=%lx,\n", capabilities[cpu]);
+ printk(KERN_DEBUG "capabilities=%lx,\n", capabilities[cpu]);
printk(KERN_DEBUG "resources=%lx\n", resources[cpu]);
#endif
return size;
@@ -142,7 +142,7 @@ store_virtual_to_phys(struct device *dev, struct device_attribute *attr,
u64 virt_addr=simple_strtoull(buf, NULL, 16);
int ret;
- ret = get_user_pages(virt_addr, 1, FOLL_WRITE, NULL, NULL);
+ ret = get_user_pages_fast(virt_addr, 1, FOLL_WRITE, NULL);
if (ret<=0) {
#ifdef ERR_INJ_DEBUG
printk("Virtual address %lx is not existing.\n",virt_addr);
diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
index 89f3a1480a63..c55276e31b6b 100644
--- a/arch/ia64/scripts/unwcheck.py
+++ b/arch/ia64/scripts/unwcheck.py
@@ -16,7 +16,7 @@ import re
import sys
if len(sys.argv) != 2:
- print "Usage: %s FILE" % sys.argv[0]
+ print("Usage: %s FILE" % sys.argv[0])
sys.exit(2)
readelf = os.getenv("READELF", "readelf")
@@ -29,7 +29,7 @@ def check_func (func, slots, rlen_sum):
global num_errors
num_errors += 1
if not func: func = "[%#x-%#x]" % (start, end)
- print "ERROR: %s: %lu slots, total region length = %lu" % (func, slots, rlen_sum)
+ print("ERROR: %s: %lu slots, total region length = %lu" % (func, slots, rlen_sum))
return
num_funcs = 0
@@ -43,23 +43,23 @@ for line in os.popen("%s -u %s" % (readelf, sys.argv[1])):
check_func(func, slots, rlen_sum)
func = m.group(1)
- start = long(m.group(2), 16)
- end = long(m.group(3), 16)
+ start = int(m.group(2), 16)
+ end = int(m.group(3), 16)
slots = 3 * (end - start) / 16
- rlen_sum = 0L
+ rlen_sum = 0
num_funcs += 1
else:
m = rlen_pattern.match(line)
if m:
- rlen_sum += long(m.group(1))
+ rlen_sum += int(m.group(1))
check_func(func, slots, rlen_sum)
if num_errors == 0:
- print "No errors detected in %u functions." % num_funcs
+ print("No errors detected in %u functions." % num_funcs)
else:
if num_errors > 1:
err="errors"
else:
err="error"
- print "%u %s detected in %u functions." % (num_errors, err, num_funcs)
+ print("%u %s detected in %u functions." % (num_errors, err, num_funcs))
sys.exit(1)