Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
[PATCH] powerpc: implement missing jiffies64_to_cputime64()
asm-powerpc/cputime.h doesn't declare jiffies64_to_cputime64() or
cputime64_sub(), and due to CONFIG_VIRT_CPU_ACCOUNTING it's not picking
up the definition from asm-generic like x86-64 & friends do.
Cc: Dave Jones <davej@redhat.com>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
authored by
David Woodhouse
and committed by
Linus Torvalds
a8e0c51c
ba1826e5
+18
+18
include/asm-powerpc/cputime.h
+18
include/asm-powerpc/cputime.h
···
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#define cputime64_zero ((cputime64_t)0)
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#define cputime64_add(__a, __b) ((__a) + (__b))
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#define cputime64_sub(__a, __b) ((__a) - (__b))
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#define cputime_to_cputime64(__ct) (__ct)
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#ifdef __KERNEL__
···
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{
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cputime_t ct;
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unsigned long sec;
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/* have to be a little careful about overflow */
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ct = jif % HZ;
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sec = jif / HZ;
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if (ct) {
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ct *= tb_ticks_per_sec;
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do_div(ct, HZ);
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}
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if (sec)
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ct += (cputime_t) sec * tb_ticks_per_sec;
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return ct;
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}
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static inline cputime64_t jiffies64_to_cputime64(const u64 jif)
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{
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cputime_t ct;
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u64 sec;
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/* have to be a little careful about overflow */
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ct = jif % HZ;