From: Christophe Leroy <christophe.leroy@csgroup.eu>
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: Re: [PATCH v8 0/8] powerpc: switch VDSO to C implementation
Date: Fri, 29 May 2020 20:56:57 +0200 [thread overview]
Message-ID: <438ce3d7-aa0f-0284-7518-6c6339742aab@csgroup.eu> (raw)
In-Reply-To: <cover.1588079622.git.christophe.leroy@c-s.fr>
Hi Michael,
Le 28/04/2020 à 15:16, Christophe Leroy a écrit :
> This is the seventh version of a series to switch powerpc VDSO to
> generic C implementation.
>
> Main changes since v7 are:
> - Added gettime64 on PPC32
>
> This series applies on today's powerpc/merge branch.
>
> See the last patches for details on changes and performance.
Do you have any plans for this series ?
Even if you don't feel like merging it this cycle, I think patches 1 to
3 are worth it.
Christophe
>
> Christophe Leroy (8):
> powerpc/vdso64: Switch from __get_datapage() to get_datapage inline
> macro
> powerpc/vdso: Remove __kernel_datapage_offset and simplify
> __get_datapage()
> powerpc/vdso: Remove unused \tmp param in __get_datapage()
> powerpc/processor: Move cpu_relax() into asm/vdso/processor.h
> powerpc/vdso: Prepare for switching VDSO to generic C implementation.
> powerpc/vdso: Switch VDSO to generic C implementation.
> lib/vdso: force inlining of __cvdso_clock_gettime_common()
> powerpc/vdso: Provide __kernel_clock_gettime64() on vdso32
>
> arch/powerpc/Kconfig | 2 +
> arch/powerpc/include/asm/clocksource.h | 7 +
> arch/powerpc/include/asm/processor.h | 10 +-
> arch/powerpc/include/asm/vdso/clocksource.h | 7 +
> arch/powerpc/include/asm/vdso/gettimeofday.h | 175 +++++++++++
> arch/powerpc/include/asm/vdso/processor.h | 23 ++
> arch/powerpc/include/asm/vdso/vsyscall.h | 25 ++
> arch/powerpc/include/asm/vdso_datapage.h | 50 ++--
> arch/powerpc/kernel/asm-offsets.c | 49 +--
> arch/powerpc/kernel/time.c | 91 +-----
> arch/powerpc/kernel/vdso.c | 58 +---
> arch/powerpc/kernel/vdso32/Makefile | 32 +-
> arch/powerpc/kernel/vdso32/cacheflush.S | 2 +-
> arch/powerpc/kernel/vdso32/config-fake32.h | 34 +++
> arch/powerpc/kernel/vdso32/datapage.S | 7 +-
> arch/powerpc/kernel/vdso32/gettimeofday.S | 300 +------------------
> arch/powerpc/kernel/vdso32/vdso32.lds.S | 8 +-
> arch/powerpc/kernel/vdso32/vgettimeofday.c | 35 +++
> arch/powerpc/kernel/vdso64/Makefile | 23 +-
> arch/powerpc/kernel/vdso64/cacheflush.S | 9 +-
> arch/powerpc/kernel/vdso64/datapage.S | 31 +-
> arch/powerpc/kernel/vdso64/gettimeofday.S | 243 +--------------
> arch/powerpc/kernel/vdso64/vdso64.lds.S | 7 +-
> arch/powerpc/kernel/vdso64/vgettimeofday.c | 29 ++
> lib/vdso/gettimeofday.c | 2 +-
> 25 files changed, 460 insertions(+), 799 deletions(-)
> create mode 100644 arch/powerpc/include/asm/clocksource.h
> create mode 100644 arch/powerpc/include/asm/vdso/clocksource.h
> create mode 100644 arch/powerpc/include/asm/vdso/gettimeofday.h
> create mode 100644 arch/powerpc/include/asm/vdso/processor.h
> create mode 100644 arch/powerpc/include/asm/vdso/vsyscall.h
> create mode 100644 arch/powerpc/kernel/vdso32/config-fake32.h
> create mode 100644 arch/powerpc/kernel/vdso32/vgettimeofday.c
> create mode 100644 arch/powerpc/kernel/vdso64/vgettimeofday.c
>
next prev parent reply other threads:[~2020-05-29 18:57 UTC|newest]
Thread overview: 48+ 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
2020-08-04 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
2020-08-27 20:34 ` Dmitry Safonov
2020-08-28 2:14 ` Michael Ellerman
2020-09-21 11:26 ` Will Deacon
2020-09-27 7:43 ` Christophe Leroy
2020-09-28 15:08 ` Dmitry Safonov
2020-10-23 11:22 ` Christophe Leroy
2020-10-23 11:25 ` Will Deacon
2020-10-23 11:57 ` Christophe Leroy
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 ` [PATCH v8 4/8] powerpc/processor: Move cpu_relax() into asm/vdso/processor.h 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
2020-07-16 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 13:35 ` Segher Boessenkool
2020-08-05 13:35 ` Segher Boessenkool
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
2020-04-28 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 ` [PATCH v8 8/8] powerpc/vdso: Provide __kernel_clock_gettime64() on vdso32 Christophe Leroy
2020-04-28 16:05 ` Arnd Bergmann
2020-05-09 15:54 ` Christophe Leroy
2020-05-09 18:48 ` Christophe Leroy
2020-05-29 18:56 ` Christophe Leroy [this message]
2020-06-03 10:04 ` [PATCH v8 0/8] powerpc: switch VDSO to C implementation Michael Ellerman
2020-07-16 12:55 ` Michael Ellerman
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