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Commit ce380619 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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
parents 094b58e1 48e362dd

arch/ia64/include/asm/atomic.h

+23 −46
Original line number Diff line number Diff line
@@ -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)						\

({									\

	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)						\

({									\

	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);		\

})

arch/ia64/kernel/err_inject.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

arch/ia64/scripts/unwcheck.py

+8 −8
Original line number Diff line number Diff line
@@ -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)

Documentation/ia64/serial.txt

+1 −1

File changed.

Contains only whitespace changes.