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From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	nathanl@linux.ibm.com
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	arnd@arndb.de, tglx@linutronix.de, vincenzo.frascino@arm.com,
	luto@kernel.org, linux-arch@vger.kernel.org
Subject: [PATCH v8 8/8] powerpc/vdso: Provide __kernel_clock_gettime64() on vdso32
Date: Tue, 28 Apr 2020 13:16:54 +0000 (UTC)	[thread overview]
Message-ID: <e78344d3fcc1d33bfb1782e430b7f0529f6c612f.1588079622.git.christophe.leroy@c-s.fr> (raw)
In-Reply-To: <cover.1588079622.git.christophe.leroy@c-s.fr>

Provides __kernel_clock_gettime64() on vdso32. This is the
64 bits version of __kernel_clock_gettime() which is
y2038 compliant.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/kernel/vdso32/gettimeofday.S  | 9 +++++++++
 arch/powerpc/kernel/vdso32/vdso32.lds.S    | 1 +
 arch/powerpc/kernel/vdso32/vgettimeofday.c | 6 ++++++
 3 files changed, 16 insertions(+)

diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index fd7b01c51281..a6e29f880e0e 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -35,6 +35,15 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
 	cvdso_call __c_kernel_clock_gettime
 V_FUNCTION_END(__kernel_clock_gettime)
 
+/*
+ * Exact prototype of clock_gettime64()
+ *
+ * int __kernel_clock_gettime64(clockid_t clock_id, struct __timespec64 *ts);
+ *
+ */
+V_FUNCTION_BEGIN(__kernel_clock_gettime64)
+	cvdso_call __c_kernel_clock_gettime64
+V_FUNCTION_END(__kernel_clock_gettime64)
 
 /*
  * Exact prototype of clock_getres()
diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S
index 6cf729612268..05b462143238 100644
--- a/arch/powerpc/kernel/vdso32/vdso32.lds.S
+++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S
@@ -144,6 +144,7 @@ VERSION
 #ifndef CONFIG_PPC_BOOK3S_601
 		__kernel_gettimeofday;
 		__kernel_clock_gettime;
+		__kernel_clock_gettime64;
 		__kernel_clock_getres;
 		__kernel_time;
 		__kernel_get_tbfreq;
diff --git a/arch/powerpc/kernel/vdso32/vgettimeofday.c b/arch/powerpc/kernel/vdso32/vgettimeofday.c
index 0b9ab4c22ef2..f7f71fecf4ed 100644
--- a/arch/powerpc/kernel/vdso32/vgettimeofday.c
+++ b/arch/powerpc/kernel/vdso32/vgettimeofday.c
@@ -11,6 +11,12 @@ int __c_kernel_clock_gettime(clockid_t clock, struct old_timespec32 *ts,
 	return __cvdso_clock_gettime32_data(vd, clock, ts);
 }
 
+int __c_kernel_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts,
+			       const struct vdso_data *vd)
+{
+	return __cvdso_clock_gettime_data(vd, clock, ts);
+}
+
 int __c_kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz,
 			    const struct vdso_data *vd)
 {
-- 
2.25.0


WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	 nathanl@linux.ibm.com
Cc: linux-arch@vger.kernel.org, arnd@arndb.de,
	linux-kernel@vger.kernel.org, luto@kernel.org,
	tglx@linutronix.de, vincenzo.frascino@arm.com,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v8 8/8] powerpc/vdso: Provide __kernel_clock_gettime64() on vdso32
Date: Tue, 28 Apr 2020 13:16:54 +0000 (UTC)	[thread overview]
Message-ID: <e78344d3fcc1d33bfb1782e430b7f0529f6c612f.1588079622.git.christophe.leroy@c-s.fr> (raw)
In-Reply-To: <cover.1588079622.git.christophe.leroy@c-s.fr>

Provides __kernel_clock_gettime64() on vdso32. This is the
64 bits version of __kernel_clock_gettime() which is
y2038 compliant.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/kernel/vdso32/gettimeofday.S  | 9 +++++++++
 arch/powerpc/kernel/vdso32/vdso32.lds.S    | 1 +
 arch/powerpc/kernel/vdso32/vgettimeofday.c | 6 ++++++
 3 files changed, 16 insertions(+)

diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index fd7b01c51281..a6e29f880e0e 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -35,6 +35,15 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
 	cvdso_call __c_kernel_clock_gettime
 V_FUNCTION_END(__kernel_clock_gettime)
 
+/*
+ * Exact prototype of clock_gettime64()
+ *
+ * int __kernel_clock_gettime64(clockid_t clock_id, struct __timespec64 *ts);
+ *
+ */
+V_FUNCTION_BEGIN(__kernel_clock_gettime64)
+	cvdso_call __c_kernel_clock_gettime64
+V_FUNCTION_END(__kernel_clock_gettime64)
 
 /*
  * Exact prototype of clock_getres()
diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S
index 6cf729612268..05b462143238 100644
--- a/arch/powerpc/kernel/vdso32/vdso32.lds.S
+++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S
@@ -144,6 +144,7 @@ VERSION
 #ifndef CONFIG_PPC_BOOK3S_601
 		__kernel_gettimeofday;
 		__kernel_clock_gettime;
+		__kernel_clock_gettime64;
 		__kernel_clock_getres;
 		__kernel_time;
 		__kernel_get_tbfreq;
diff --git a/arch/powerpc/kernel/vdso32/vgettimeofday.c b/arch/powerpc/kernel/vdso32/vgettimeofday.c
index 0b9ab4c22ef2..f7f71fecf4ed 100644
--- a/arch/powerpc/kernel/vdso32/vgettimeofday.c
+++ b/arch/powerpc/kernel/vdso32/vgettimeofday.c
@@ -11,6 +11,12 @@ int __c_kernel_clock_gettime(clockid_t clock, struct old_timespec32 *ts,
 	return __cvdso_clock_gettime32_data(vd, clock, ts);
 }
 
+int __c_kernel_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts,
+			       const struct vdso_data *vd)
+{
+	return __cvdso_clock_gettime_data(vd, clock, ts);
+}
+
 int __c_kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz,
 			    const struct vdso_data *vd)
 {
-- 
2.25.0


  parent reply	other threads:[~2020-04-28 13:17 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-28 13:16 [PATCH v8 0/8] powerpc: switch VDSO to C implementation Christophe Leroy
2020-04-28 13:16 ` Christophe Leroy
2020-04-28 13:16 ` [PATCH v8 1/8] powerpc/vdso64: Switch from __get_datapage() to get_datapage inline macro Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-04-28 13:16 ` [PATCH v8 2/8] powerpc/vdso: Remove __kernel_datapage_offset and simplify __get_datapage() Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-07-16  2:59   ` Michael Ellerman
2020-07-16  2:59     ` Michael Ellerman
2020-08-04 11:17     ` Christophe Leroy
2020-08-04 11:17       ` Christophe Leroy
2020-08-25 14:15       ` Christophe Leroy
2020-08-26 13:58         ` Michael Ellerman
2020-08-26 13:58           ` Michael Ellerman
2020-08-27 20:34           ` Dmitry Safonov
2020-08-27 20:34             ` Dmitry Safonov
2020-08-28  2:14             ` Michael Ellerman
2020-08-28  2:14               ` Michael Ellerman
2020-09-21 11:26               ` Will Deacon
2020-09-21 11:26                 ` Will Deacon
2020-09-27  7:43                 ` Christophe Leroy
2020-09-27  7:43                   ` Christophe Leroy
2020-09-28 15:08                   ` Dmitry Safonov
2020-09-28 15:08                     ` Dmitry Safonov
2020-10-23 11:22                     ` Christophe Leroy
2020-10-23 11:22                       ` Christophe Leroy
2020-10-23 11:25                       ` Will Deacon
2020-10-23 11:25                         ` Will Deacon
2020-10-23 11:57                         ` Christophe Leroy
2020-10-23 11:57                           ` Christophe Leroy
2020-10-23 13:29                           ` Dmitry Safonov
2020-10-23 13:29                             ` Dmitry Safonov
2020-04-28 13:16 ` [PATCH v8 3/8] powerpc/vdso: Remove unused \tmp param in __get_datapage() Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-04-28 13:16 ` [PATCH v8 4/8] powerpc/processor: Move cpu_relax() into asm/vdso/processor.h Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-04-28 13:16 ` [PATCH v8 5/8] powerpc/vdso: Prepare for switching VDSO to generic C implementation Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-07-15  1:04   ` Michael Ellerman
2020-07-15  1:04     ` Michael Ellerman
2020-07-15 18:47     ` Christophe Leroy
2020-07-15 18:47       ` Christophe Leroy
2020-07-16 23:18       ` Tulio Magno Quites Machado Filho
2020-07-16 23:18         ` Tulio Magno Quites Machado Filho
2020-08-04 11:14     ` Christophe Leroy
2020-08-04 11:14       ` Christophe Leroy
2020-08-05  6:24       ` Michael Ellerman
2020-08-05  6:24         ` Michael Ellerman
2020-08-05 13:35         ` Segher Boessenkool
2020-08-05 13:35           ` Segher Boessenkool
2020-08-06  2:03           ` Michael Ellerman
2020-08-06  2:03             ` Michael Ellerman
2020-08-06 18:33             ` Segher Boessenkool
2020-08-06 18:33               ` Segher Boessenkool
2020-08-07  2:44               ` Michael Ellerman
2020-08-07  2:44                 ` Michael Ellerman
2020-04-28 13:16 ` [PATCH v8 6/8] powerpc/vdso: Switch " Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-04-28 13:16 ` [PATCH v8 7/8] lib/vdso: force inlining of __cvdso_clock_gettime_common() Christophe Leroy
2020-04-28 13:16   ` Christophe Leroy
2020-04-28 13:16 ` Christophe Leroy [this message]
2020-04-28 13:16   ` [PATCH v8 8/8] powerpc/vdso: Provide __kernel_clock_gettime64() on vdso32 Christophe Leroy
2020-04-28 15:03   ` Christophe Leroy
2020-04-28 16:05   ` Arnd Bergmann
2020-04-28 16:05     ` Arnd Bergmann
2020-05-09 15:54     ` Christophe Leroy
2020-05-09 15:54       ` Christophe Leroy
2020-05-09 18:48       ` Christophe Leroy
2020-05-29 18:56 ` [PATCH v8 0/8] powerpc: switch VDSO to C implementation Christophe Leroy
2020-06-03 10:04   ` Michael Ellerman
2020-07-16 12:55 ` Michael Ellerman
2020-07-16 12:55   ` Michael Ellerman

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