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Date: Fri, 28 Nov 2014 19:23:46 +0100
From: Frederic Weisbecker <fweisbec@...il.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>,
Tony Luck <tony.luck@...el.com>,
Peter Zijlstra <peterz@...radead.org>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Thomas Gleixner <tglx@...utronix.de>,
Oleg Nesterov <oleg@...hat.com>,
Paul Mackerras <paulus@...ba.org>,
Wu Fengguang <fengguang.wu@...el.com>,
Ingo Molnar <mingo@...nel.org>, Rik van Riel <riel@...hat.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: [RFC PATCH 16/30] binfmt: Convert obsolete cputime type to nsecs
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Rik van Riel <riel@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Wu Fengguang <fengguang.wu@...el.com>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
fs/binfmt_elf.c | 26 ++++++++++----------------
fs/binfmt_elf_fdpic.c | 16 ++++++++--------
fs/compat_binfmt_elf.c | 20 +++++++++++---------
3 files changed, 29 insertions(+), 33 deletions(-)
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 646cfc3..4123f23 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1283,8 +1283,6 @@ 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];
@@ -1295,29 +1293,25 @@ 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,
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index fecdb6d..de4bb4c 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1336,21 +1336,21 @@ 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);
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index 4d24d17..73fa05d 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -52,21 +52,23 @@
#define elf_prpsinfo compat_elf_prpsinfo
/*
- * Compat version of cputime_to_compat_timeval, perhaps this
+ * Compat version of ns_to_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)
+static struct compat_timeval ns_to_compat_timeval(const s64 nsec)
{
struct timeval tv;
- cputime_to_timeval(cputime, &tv);
- value->tv_sec = tv.tv_sec;
- value->tv_usec = tv.tv_usec;
+ struct compat_timeval ctv;
+
+ tv = ns_to_timeval(nsec);
+ ctv.tv_sec = tv.tv_sec;
+ ctv.tv_usec = tv.tv_usec;
+
+ return ctv;
}
-#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.
--
2.1.3
--
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