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fs/binfmt: Convert obsolete cputime type to nsecs 

Use the new nsec based cputime accessors as part of the whole cputime
conversion from cputime_t to nsecs.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1485832191-26889-12-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Frederic Weisbecker 2017-01-31 04:09:27 +01:00 committed by Ingo Molnar
parent c0e7a5000d
commit cd19c364b3
7 changed files with 45 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/mips/kernel/binfmt_elfn32.c
View File

@ -99,15 +99,7 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
#undef TASK_SIZE
#define TASK_SIZE TASK_SIZE32
#undef cputime_to_timeval
#define cputime_to_timeval cputime_to_compat_timeval
static __inline__ void
cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
{
unsigned long jiffies = cputime_to_jiffies(cputime);
value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
value->tv_sec = jiffies / HZ;
}
#undef ns_to_timeval
#define ns_to_timeval ns_to_compat_timeval
#include "../../../fs/binfmt_elf.c"

12
arch/mips/kernel/binfmt_elfo32.c
View File

@ -102,15 +102,7 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
#undef TASK_SIZE
#define TASK_SIZE TASK_SIZE32
#undef cputime_to_timeval
#define cputime_to_timeval cputime_to_compat_timeval
static __inline__ void
cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
{
unsigned long jiffies = cputime_to_jiffies(cputime);
value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
value->tv_sec = jiffies / HZ;
}
#undef ns_to_timeval
#define ns_to_timeval ns_to_compat_timeval
#include "../../../fs/binfmt_elf.c"

11
arch/parisc/kernel/binfmt_elf32.c
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@ -91,14 +91,7 @@ struct elf_prpsinfo32
current->thread.map_base = DEFAULT_MAP_BASE32; \
current->thread.task_size = DEFAULT_TASK_SIZE32 \
#undef cputime_to_timeval
#define cputime_to_timeval cputime_to_compat_timeval
static __inline__ void
cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
{
unsigned long jiffies = cputime_to_jiffies(cputime);
value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
value->tv_sec = jiffies / HZ;
}
#undef ns_to_timeval
#define ns_to_timeval ns_to_compat_timeval
#include "../../../fs/binfmt_elf.c"

26
fs/binfmt_elf.c
View File

@ -1411,8 +1411,6 @@ static void fill_note(struct memelfnote *note, const char *name, int type,
static void fill_prstatus(struct elf_prstatus *prstatus,
struct task_struct *p, long signr)
{
struct timeval tv;
prstatus->pr_info.si_signo = prstatus->pr_cursig = signr;
prstatus->pr_sigpend = p->pending.signal.sig[0];
prstatus->pr_sighold = p->blocked.sig[0];
@ -1423,29 +1421,25 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
prstatus->pr_pgrp = task_pgrp_vnr(p);
prstatus->pr_sid = task_session_vnr(p);
if (thread_group_leader(p)) {
struct task_cputime_t cputime;
struct task_cputime cputime;
/*
* This is the record for the group leader. It shows the
* group-wide total, not its individual thread total.
*/
thread_group_cputime_t(p, &cputime);
cputime_to_timeval(cputime.utime, &prstatus->pr_utime);
cputime_to_timeval(cputime.stime, &prstatus->pr_stime);
thread_group_cputime(p, &cputime);
prstatus->pr_utime = ns_to_timeval(cputime.utime);
prstatus->pr_stime = ns_to_timeval(cputime.stime);
} else {
cputime_t utime, stime;
u64 utime, stime;
task_cputime_t(p, &utime, &stime);
cputime_to_timeval(utime, &prstatus->pr_utime);
cputime_to_timeval(stime, &prstatus->pr_stime);
task_cputime(p, &utime, &stime);
prstatus->pr_utime = ns_to_timeval(utime);
prstatus->pr_stime = ns_to_timeval(stime);
}
tv = ns_to_timeval(p->signal->cutime);
prstatus->pr_cutime.tv_sec = tv.tv_sec;
prstatus->pr_cutime.tv_usec = tv.tv_usec;
tv = ns_to_timeval(p->signal->cstime);
prstatus->pr_cstime.tv_sec = tv.tv_sec;
prstatus->pr_cstime.tv_usec = tv.tv_usec;
prstatus->pr_cutime = ns_to_timeval(p->signal->cutime);
prstatus->pr_cstime = ns_to_timeval(p->signal->cstime);
}
static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,

16
fs/binfmt_elf_fdpic.c
View File

@ -1342,21 +1342,21 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
prstatus->pr_pgrp = task_pgrp_vnr(p);
prstatus->pr_sid = task_session_vnr(p);
if (thread_group_leader(p)) {
struct task_cputime_t cputime;
struct task_cputime cputime;
/*
* This is the record for the group leader. It shows the
* group-wide total, not its individual thread total.
*/
thread_group_cputime_t(p, &cputime);
cputime_to_timeval(cputime.utime, &prstatus->pr_utime);
cputime_to_timeval(cputime.stime, &prstatus->pr_stime);
thread_group_cputime(p, &cputime);
prstatus->pr_utime = ns_to_timeval(cputime.utime);
prstatus->pr_stime = ns_to_timeval(cputime.stime);
} else {
cputime_t utime, stime;
u64 utime, stime;
task_cputime_t(p, &utime, &stime);
cputime_to_timeval(utime, &prstatus->pr_utime);
cputime_to_timeval(stime, &prstatus->pr_stime);
task_cputime(p, &utime, &stime);
prstatus->pr_utime = ns_to_timeval(utime);
prstatus->pr_stime = ns_to_timeval(stime);
}
prstatus->pr_cutime = ns_to_timeval(p->signal->cutime);
prstatus->pr_cstime = ns_to_timeval(p->signal->cstime);

18
fs/compat_binfmt_elf.c
View File

@ -51,22 +51,8 @@
#define elf_prstatus compat_elf_prstatus
#define elf_prpsinfo compat_elf_prpsinfo
/*
* Compat version of cputime_to_compat_timeval, perhaps this
* should be an inline in <linux/compat.h>.
*/
static void cputime_to_compat_timeval(const cputime_t cputime,
struct compat_timeval *value)
{
struct timeval tv;
cputime_to_timeval(cputime, &tv);
value->tv_sec = tv.tv_sec;
value->tv_usec = tv.tv_usec;
}
#undef cputime_to_timeval
#define cputime_to_timeval cputime_to_compat_timeval
#undef ns_to_timeval
#define ns_to_timeval ns_to_compat_timeval
/*
* To use this file, asm/elf.h must define compat_elf_check_arch.

20
include/linux/compat.h
View File

@ -731,7 +731,25 @@ asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
static inline bool in_compat_syscall(void) { return is_compat_task(); }
#endif
#else
/**
* ns_to_compat_timeval - Compat version of ns_to_timeval
* @nsec: the nanoseconds value to be converted
*
* Returns the compat_timeval representation of the nsec parameter.
*/
static inline struct compat_timeval ns_to_compat_timeval(s64 nsec)
{
struct timeval tv;
struct compat_timeval ctv;
tv = ns_to_timeval(nsec);
ctv.tv_sec = tv.tv_sec;
ctv.tv_usec = tv.tv_usec;
return ctv;
}
#else /* !CONFIG_COMPAT */
#define is_compat_task() (0)
static inline bool in_compat_syscall(void) { return false; }