* [PATCH v4 00/10] posix_clocks: Prepare syscalls for 64 bit time_t conversion
@ 2018-03-12 17:52 Deepa Dinamani
2018-03-12 17:52 ` Deepa Dinamani
2018-03-12 17:53 ` [PATCH v4 07/10] include: Add new y2038 safe __kernel_timespec Deepa Dinamani
0 siblings, 2 replies; 4+ messages in thread
From: Deepa Dinamani @ 2018-03-12 17:52 UTC (permalink / raw)
To: arnd, tglx, john.stultz
Cc: mark.rutland, linux-mips, peterz, benh, sth, heiko.carstens,
paulus, hpa, sparclinux, devel, linux-s390, y2038, mpe, deller,
x86, sebott, jejb, will.deacon, borntraeger, mingo, oprofile-list,
catalin.marinas, linux-arch, rric, cmetcalf, oberpar, acme, jwi,
rostedt, ubraun, gerald.schaefer, linux-parisc, gregkh, cohuck,
linux-kernel, ralf, hoeppner, linux-ap
The series is a preparation series for individual architectures
to use 64 bit time_t syscalls in compat and 32 bit emulation modes.
This is a follow up to the series Arnd Bergmann posted:
https://sourceware.org/ml/libc-alpha/2015-05/msg00070.html [1]
Thomas, Arnd, this seems ready to be merged now.
Can you help get this merged?
Big picture is as per the lwn article:
https://lwn.net/Articles/643234/ [2]
The series is directed at converting posix clock syscalls:
clock_gettime, clock_settime, clock_getres and clock_nanosleep
to use a new data structure __kernel_timespec at syscall boundaries.
__kernel_timespec maintains 64 bit time_t across all execution modes.
vdso will be handled as part of each architecture when they enable
support for 64 bit time_t.
The compat syscalls are repurposed to provide backward compatibility
by using them as native syscalls as well for 32 bit architectures.
They will continue to use timespec at syscall boundaries.
CONFIG_64_BIT_TIME controls whether the syscalls use __kernel_timespec
or timespec at syscall boundaries.
The series does the following:
1. Enable compat syscalls on 32 bit architectures.
2. Add a new __kernel_timespec type to be used as the data structure
for all the new syscalls.
3. Add new config CONFIG_64BIT_TIME(intead of the CONFIG_COMPAT_TIME in
[1] and [2] to switch to new definition of __kernel_timespec. It is
the same as struct timespec otherwise.
4. Add new CONFIG_32BIT_TIME to conditionally compile compat syscalls.
* Changes since v3:
* Updated include file ordering
* Changes since v2:
* Dropped the ARCH_HAS_64BIT_TIME config.
* Fixed zeroing out of higher order bits of tv_nsec for real.
* Addressed minor review comments from v1.
* Changes since v1:
* Introduce CONFIG_32BIT_TIME
* Fixed zeroing out of higher order bits of tv_nsec
* Included Arnd's changes to fix up use of compat headers
I decided against using LEGACY_TIME_SYSCALLS to conditionally compile
legacy time syscalls such as sys_nanosleep because this will need to
enclose compat_sys_nanosleep as well. So, defining it as
config LEGACY_TIME_SYSCALLS
def_bool 64BIT || !64BIT_TIME
will not include compat_sys_nanosleep. We will instead need a new config to
exclusively mark legacy syscalls.
Deepa Dinamani (10):
compat: Make compat helpers independent of CONFIG_COMPAT
include: Move compat_timespec/ timeval to compat_time.h
compat: enable compat_get/put_timespec64 always
arch: introduce CONFIG_64BIT_TIME
arch: Introduce CONFIG_COMPAT_32BIT_TIME
posix-clocks: Make compat syscalls depend on CONFIG_COMPAT_32BIT_TIME
include: Add new y2038 safe __kernel_timespec
fix get_timespec64() for y2038 safe compat interfaces
change time types to new y2038 safe __kernel_* types
nanosleep: change time types to safe __kernel_* types
arch/Kconfig | 15 +++++++++
arch/arm64/include/asm/compat.h | 11 -------
arch/arm64/include/asm/stat.h | 1 +
arch/arm64/kernel/hw_breakpoint.c | 1 -
arch/arm64/kernel/perf_regs.c | 2 +-
arch/arm64/kernel/process.c | 1 -
arch/mips/include/asm/compat.h | 11 -------
arch/mips/kernel/signal32.c | 2 +-
arch/parisc/include/asm/compat.h | 11 -------
arch/powerpc/include/asm/compat.h | 11 -------
arch/powerpc/kernel/asm-offsets.c | 2 +-
arch/powerpc/oprofile/backtrace.c | 2 +-
arch/s390/hypfs/hypfs_sprp.c | 1 -
arch/s390/include/asm/compat.h | 11 -------
arch/s390/include/asm/elf.h | 4 +--
arch/s390/kvm/priv.c | 1 -
arch/s390/pci/pci_clp.c | 1 -
arch/sparc/include/asm/compat.h | 11 -------
arch/tile/include/asm/compat.h | 11 -------
arch/x86/events/core.c | 2 +-
arch/x86/include/asm/compat.h | 11 -------
arch/x86/include/asm/ftrace.h | 2 +-
arch/x86/include/asm/sys_ia32.h | 2 +-
arch/x86/kernel/sys_x86_64.c | 2 +-
drivers/s390/block/dasd_ioctl.c | 1 -
drivers/s390/char/fs3270.c | 1 -
drivers/s390/char/sclp_ctl.c | 1 -
drivers/s390/char/vmcp.c | 1 -
drivers/s390/cio/chsc_sch.c | 1 -
drivers/s390/net/qeth_core_main.c | 2 +-
include/linux/compat.h | 11 ++++---
include/linux/compat_time.h | 23 ++++++++++++++
include/linux/restart_block.h | 7 ++--
include/linux/syscalls.h | 12 +++----
include/linux/time.h | 4 +--
include/linux/time64.h | 10 +++++-
include/uapi/asm-generic/posix_types.h | 1 +
include/uapi/linux/time.h | 7 ++++
kernel/compat.c | 52 +++++-------------------------
kernel/time/hrtimer.c | 10 ++++--
kernel/time/posix-stubs.c | 12 ++++---
kernel/time/posix-timers.c | 24 ++++++++++----
kernel/time/time.c | 58 +++++++++++++++++++++++++++++++---
43 files changed, 177 insertions(+), 190 deletions(-)
create mode 100644 include/linux/compat_time.h
base-commit: 61530b14b059d4838dcc2186e9de9d57e195ce55
--
2.14.1
Cc: acme@kernel.org
Cc: benh@kernel.crashing.org
Cc: borntraeger@de.ibm.com
Cc: catalin.marinas@arm.com
Cc: cmetcalf@mellanox.com
Cc: cohuck@redhat.com
Cc: davem@davemloft.net
Cc: deller@gmx.de
Cc: devel@driverdev.osuosl.org
Cc: gerald.schaefer@de.ibm.com
Cc: gregkh@linuxfoundation.org
Cc: heiko.carstens@de.ibm.com
Cc: hoeppner@linux.vnet.ibm.com
Cc: hpa@zytor.com
Cc: jejb@parisc-linux.org
Cc: jwi@linux.vnet.ibm.com
Cc: linux-api@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: mark.rutland@arm.com
Cc: mingo@redhat.com
Cc: mpe@ellerman.id.au
Cc: oberpar@linux.vnet.ibm.com
Cc: oprofile-list@lists.sf.net
Cc: paulus@samba.org
Cc: peterz@infradead.org
Cc: ralf@linux-mips.org
Cc: rostedt@goodmis.org
Cc: rric@kernel.org
Cc: schwidefsky@de.ibm.com
Cc: sebott@linux.vnet.ibm.com
Cc: sparclinux@vger.kernel.org
Cc: sth@linux.vnet.ibm.com
Cc: ubraun@linux.vnet.ibm.com
Cc: will.deacon@arm.com
Cc: x86@kernel.org
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v4 00/10] posix_clocks: Prepare syscalls for 64 bit time_t conversion
2018-03-12 17:52 [PATCH v4 00/10] posix_clocks: Prepare syscalls for 64 bit time_t conversion Deepa Dinamani
@ 2018-03-12 17:52 ` Deepa Dinamani
2018-03-12 17:53 ` [PATCH v4 07/10] include: Add new y2038 safe __kernel_timespec Deepa Dinamani
1 sibling, 0 replies; 4+ messages in thread
From: Deepa Dinamani @ 2018-03-12 17:52 UTC (permalink / raw)
To: arnd, tglx, john.stultz
Cc: linux-kernel, y2038, acme, benh, borntraeger, catalin.marinas,
cmetcalf, cohuck, davem, deller, devel, gerald.schaefer, gregkh,
heiko.carstens, hoeppner, hpa, jejb, jwi, linux-api, linux-arch,
linux-mips, linux-parisc, linuxppc-dev, linux-s390, mark.rutland,
mingo, mpe, oberpar, oprofile-list, paulus, peterz, ralf, rostedt,
rric, schwidefsky, sebott, sparclinux, sth, ubraun, will.deacon,
x86
The series is a preparation series for individual architectures
to use 64 bit time_t syscalls in compat and 32 bit emulation modes.
This is a follow up to the series Arnd Bergmann posted:
https://sourceware.org/ml/libc-alpha/2015-05/msg00070.html [1]
Thomas, Arnd, this seems ready to be merged now.
Can you help get this merged?
Big picture is as per the lwn article:
https://lwn.net/Articles/643234/ [2]
The series is directed at converting posix clock syscalls:
clock_gettime, clock_settime, clock_getres and clock_nanosleep
to use a new data structure __kernel_timespec at syscall boundaries.
__kernel_timespec maintains 64 bit time_t across all execution modes.
vdso will be handled as part of each architecture when they enable
support for 64 bit time_t.
The compat syscalls are repurposed to provide backward compatibility
by using them as native syscalls as well for 32 bit architectures.
They will continue to use timespec at syscall boundaries.
CONFIG_64_BIT_TIME controls whether the syscalls use __kernel_timespec
or timespec at syscall boundaries.
The series does the following:
1. Enable compat syscalls on 32 bit architectures.
2. Add a new __kernel_timespec type to be used as the data structure
for all the new syscalls.
3. Add new config CONFIG_64BIT_TIME(intead of the CONFIG_COMPAT_TIME in
[1] and [2] to switch to new definition of __kernel_timespec. It is
the same as struct timespec otherwise.
4. Add new CONFIG_32BIT_TIME to conditionally compile compat syscalls.
* Changes since v3:
* Updated include file ordering
* Changes since v2:
* Dropped the ARCH_HAS_64BIT_TIME config.
* Fixed zeroing out of higher order bits of tv_nsec for real.
* Addressed minor review comments from v1.
* Changes since v1:
* Introduce CONFIG_32BIT_TIME
* Fixed zeroing out of higher order bits of tv_nsec
* Included Arnd's changes to fix up use of compat headers
I decided against using LEGACY_TIME_SYSCALLS to conditionally compile
legacy time syscalls such as sys_nanosleep because this will need to
enclose compat_sys_nanosleep as well. So, defining it as
config LEGACY_TIME_SYSCALLS
def_bool 64BIT || !64BIT_TIME
will not include compat_sys_nanosleep. We will instead need a new config to
exclusively mark legacy syscalls.
Deepa Dinamani (10):
compat: Make compat helpers independent of CONFIG_COMPAT
include: Move compat_timespec/ timeval to compat_time.h
compat: enable compat_get/put_timespec64 always
arch: introduce CONFIG_64BIT_TIME
arch: Introduce CONFIG_COMPAT_32BIT_TIME
posix-clocks: Make compat syscalls depend on CONFIG_COMPAT_32BIT_TIME
include: Add new y2038 safe __kernel_timespec
fix get_timespec64() for y2038 safe compat interfaces
change time types to new y2038 safe __kernel_* types
nanosleep: change time types to safe __kernel_* types
arch/Kconfig | 15 +++++++++
arch/arm64/include/asm/compat.h | 11 -------
arch/arm64/include/asm/stat.h | 1 +
arch/arm64/kernel/hw_breakpoint.c | 1 -
arch/arm64/kernel/perf_regs.c | 2 +-
arch/arm64/kernel/process.c | 1 -
arch/mips/include/asm/compat.h | 11 -------
arch/mips/kernel/signal32.c | 2 +-
arch/parisc/include/asm/compat.h | 11 -------
arch/powerpc/include/asm/compat.h | 11 -------
arch/powerpc/kernel/asm-offsets.c | 2 +-
arch/powerpc/oprofile/backtrace.c | 2 +-
arch/s390/hypfs/hypfs_sprp.c | 1 -
arch/s390/include/asm/compat.h | 11 -------
arch/s390/include/asm/elf.h | 4 +--
arch/s390/kvm/priv.c | 1 -
arch/s390/pci/pci_clp.c | 1 -
arch/sparc/include/asm/compat.h | 11 -------
arch/tile/include/asm/compat.h | 11 -------
arch/x86/events/core.c | 2 +-
arch/x86/include/asm/compat.h | 11 -------
arch/x86/include/asm/ftrace.h | 2 +-
arch/x86/include/asm/sys_ia32.h | 2 +-
arch/x86/kernel/sys_x86_64.c | 2 +-
drivers/s390/block/dasd_ioctl.c | 1 -
drivers/s390/char/fs3270.c | 1 -
drivers/s390/char/sclp_ctl.c | 1 -
drivers/s390/char/vmcp.c | 1 -
drivers/s390/cio/chsc_sch.c | 1 -
drivers/s390/net/qeth_core_main.c | 2 +-
include/linux/compat.h | 11 ++++---
include/linux/compat_time.h | 23 ++++++++++++++
include/linux/restart_block.h | 7 ++--
include/linux/syscalls.h | 12 +++----
include/linux/time.h | 4 +--
include/linux/time64.h | 10 +++++-
include/uapi/asm-generic/posix_types.h | 1 +
include/uapi/linux/time.h | 7 ++++
kernel/compat.c | 52 +++++-------------------------
kernel/time/hrtimer.c | 10 ++++--
kernel/time/posix-stubs.c | 12 ++++---
kernel/time/posix-timers.c | 24 ++++++++++----
kernel/time/time.c | 58 +++++++++++++++++++++++++++++++---
43 files changed, 177 insertions(+), 190 deletions(-)
create mode 100644 include/linux/compat_time.h
base-commit: 61530b14b059d4838dcc2186e9de9d57e195ce55
--
2.14.1
Cc: acme@kernel.org
Cc: benh@kernel.crashing.org
Cc: borntraeger@de.ibm.com
Cc: catalin.marinas@arm.com
Cc: cmetcalf@mellanox.com
Cc: cohuck@redhat.com
Cc: davem@davemloft.net
Cc: deller@gmx.de
Cc: devel@driverdev.osuosl.org
Cc: gerald.schaefer@de.ibm.com
Cc: gregkh@linuxfoundation.org
Cc: heiko.carstens@de.ibm.com
Cc: hoeppner@linux.vnet.ibm.com
Cc: hpa@zytor.com
Cc: jejb@parisc-linux.org
Cc: jwi@linux.vnet.ibm.com
Cc: linux-api@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: mark.rutland@arm.com
Cc: mingo@redhat.com
Cc: mpe@ellerman.id.au
Cc: oberpar@linux.vnet.ibm.com
Cc: oprofile-list@lists.sf.net
Cc: paulus@samba.org
Cc: peterz@infradead.org
Cc: ralf@linux-mips.org
Cc: rostedt@goodmis.org
Cc: rric@kernel.org
Cc: schwidefsky@de.ibm.com
Cc: sebott@linux.vnet.ibm.com
Cc: sparclinux@vger.kernel.org
Cc: sth@linux.vnet.ibm.com
Cc: ubraun@linux.vnet.ibm.com
Cc: will.deacon@arm.com
Cc: x86@kernel.org
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v4 07/10] include: Add new y2038 safe __kernel_timespec
2018-03-12 17:52 [PATCH v4 00/10] posix_clocks: Prepare syscalls for 64 bit time_t conversion Deepa Dinamani
2018-03-12 17:52 ` Deepa Dinamani
@ 2018-03-12 17:53 ` Deepa Dinamani
2018-03-12 17:53 ` Deepa Dinamani
1 sibling, 1 reply; 4+ messages in thread
From: Deepa Dinamani @ 2018-03-12 17:53 UTC (permalink / raw)
To: arnd, tglx, john.stultz; +Cc: linux-kernel, y2038, linux-arch
The new struct __kernel_timespec is similar to current
internal kernel struct timespec64 on 64 bit architecture.
The compat structure however is similar to below on little
endian systems (padding and tv_nsec are switched for big
endian systems):
typedef s32 compat_long_t;
typedef s64 compat_kernel_time64_t;
struct compat_kernel_timespec {
compat_kernel_time64_t tv_sec;
compat_long_t tv_nsec;
compat_long_t padding;
};
This allows for both the native and compat representations to
be the same and syscalls using this type as part of their ABI
can have a single entry point to both.
Note that the compat define is not included anywhere in the
kernel explicitly to avoid confusion.
These types will be used by the new syscalls that will be
introduced in the consequent patches.
Most of the new syscalls are just an update to the existing
native ones with this new type. Hence, put this new type under
an ifdef so that the architectures can define CONFIG_64BIT_TIME
when they are ready to handle this switch.
Cc: linux-arch@vger.kernel.org
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
---
include/linux/time64.h | 10 +++++++++-
include/uapi/asm-generic/posix_types.h | 1 +
include/uapi/linux/time.h | 7 +++++++
3 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/include/linux/time64.h b/include/linux/time64.h
index 93d39499838e..0d96887ba4e0 100644
--- a/include/linux/time64.h
+++ b/include/linux/time64.h
@@ -2,12 +2,20 @@
#ifndef _LINUX_TIME64_H
#define _LINUX_TIME64_H
-#include <uapi/linux/time.h>
#include <linux/math64.h>
typedef __s64 time64_t;
typedef __u64 timeu64_t;
+/* CONFIG_64BIT_TIME enables new 64 bit time_t syscalls in the compat path
+ * and 32-bit emulation.
+ */
+#ifndef CONFIG_64BIT_TIME
+#define __kernel_timespec timespec
+#endif
+
+#include <uapi/linux/time.h>
+
#if __BITS_PER_LONG == 64
/* this trick allows us to optimize out timespec64_to_timespec */
# define timespec64 timespec
diff --git a/include/uapi/asm-generic/posix_types.h b/include/uapi/asm-generic/posix_types.h
index 5e6ea22bd525..f0733a26ebfc 100644
--- a/include/uapi/asm-generic/posix_types.h
+++ b/include/uapi/asm-generic/posix_types.h
@@ -87,6 +87,7 @@ typedef struct {
typedef __kernel_long_t __kernel_off_t;
typedef long long __kernel_loff_t;
typedef __kernel_long_t __kernel_time_t;
+typedef long long __kernel_time64_t;
typedef __kernel_long_t __kernel_clock_t;
typedef int __kernel_timer_t;
typedef int __kernel_clockid_t;
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 53f8dd84beb5..0ad4510884b0 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -42,6 +42,13 @@ struct itimerval {
struct timeval it_value; /* current value */
};
+#ifndef __kernel_timespec
+struct __kernel_timespec {
+ __kernel_time64_t tv_sec; /* seconds */
+ long long tv_nsec; /* nanoseconds */
+};
+#endif
+
/*
* The IDs of the various system clocks (for POSIX.1b interval timers):
*/
--
2.14.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v4 07/10] include: Add new y2038 safe __kernel_timespec
2018-03-12 17:53 ` [PATCH v4 07/10] include: Add new y2038 safe __kernel_timespec Deepa Dinamani
@ 2018-03-12 17:53 ` Deepa Dinamani
0 siblings, 0 replies; 4+ messages in thread
From: Deepa Dinamani @ 2018-03-12 17:53 UTC (permalink / raw)
To: arnd, tglx, john.stultz; +Cc: linux-kernel, y2038, linux-arch
The new struct __kernel_timespec is similar to current
internal kernel struct timespec64 on 64 bit architecture.
The compat structure however is similar to below on little
endian systems (padding and tv_nsec are switched for big
endian systems):
typedef s32 compat_long_t;
typedef s64 compat_kernel_time64_t;
struct compat_kernel_timespec {
compat_kernel_time64_t tv_sec;
compat_long_t tv_nsec;
compat_long_t padding;
};
This allows for both the native and compat representations to
be the same and syscalls using this type as part of their ABI
can have a single entry point to both.
Note that the compat define is not included anywhere in the
kernel explicitly to avoid confusion.
These types will be used by the new syscalls that will be
introduced in the consequent patches.
Most of the new syscalls are just an update to the existing
native ones with this new type. Hence, put this new type under
an ifdef so that the architectures can define CONFIG_64BIT_TIME
when they are ready to handle this switch.
Cc: linux-arch@vger.kernel.org
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
---
include/linux/time64.h | 10 +++++++++-
include/uapi/asm-generic/posix_types.h | 1 +
include/uapi/linux/time.h | 7 +++++++
3 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/include/linux/time64.h b/include/linux/time64.h
index 93d39499838e..0d96887ba4e0 100644
--- a/include/linux/time64.h
+++ b/include/linux/time64.h
@@ -2,12 +2,20 @@
#ifndef _LINUX_TIME64_H
#define _LINUX_TIME64_H
-#include <uapi/linux/time.h>
#include <linux/math64.h>
typedef __s64 time64_t;
typedef __u64 timeu64_t;
+/* CONFIG_64BIT_TIME enables new 64 bit time_t syscalls in the compat path
+ * and 32-bit emulation.
+ */
+#ifndef CONFIG_64BIT_TIME
+#define __kernel_timespec timespec
+#endif
+
+#include <uapi/linux/time.h>
+
#if __BITS_PER_LONG == 64
/* this trick allows us to optimize out timespec64_to_timespec */
# define timespec64 timespec
diff --git a/include/uapi/asm-generic/posix_types.h b/include/uapi/asm-generic/posix_types.h
index 5e6ea22bd525..f0733a26ebfc 100644
--- a/include/uapi/asm-generic/posix_types.h
+++ b/include/uapi/asm-generic/posix_types.h
@@ -87,6 +87,7 @@ typedef struct {
typedef __kernel_long_t __kernel_off_t;
typedef long long __kernel_loff_t;
typedef __kernel_long_t __kernel_time_t;
+typedef long long __kernel_time64_t;
typedef __kernel_long_t __kernel_clock_t;
typedef int __kernel_timer_t;
typedef int __kernel_clockid_t;
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 53f8dd84beb5..0ad4510884b0 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -42,6 +42,13 @@ struct itimerval {
struct timeval it_value; /* current value */
};
+#ifndef __kernel_timespec
+struct __kernel_timespec {
+ __kernel_time64_t tv_sec; /* seconds */
+ long long tv_nsec; /* nanoseconds */
+};
+#endif
+
/*
* The IDs of the various system clocks (for POSIX.1b interval timers):
*/
--
2.14.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2018-03-12 17:54 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2018-03-12 17:52 [PATCH v4 00/10] posix_clocks: Prepare syscalls for 64 bit time_t conversion Deepa Dinamani
2018-03-12 17:52 ` Deepa Dinamani
2018-03-12 17:53 ` [PATCH v4 07/10] include: Add new y2038 safe __kernel_timespec Deepa Dinamani
2018-03-12 17:53 ` Deepa Dinamani
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