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* [PATCH] riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL
@ 2021-01-02 13:24 guoren
  2021-01-03 10:11 ` Pekka Enberg
  0 siblings, 1 reply; 3+ messages in thread
From: guoren @ 2021-01-02 13:24 UTC (permalink / raw)
  To: palmerdabbelt, paul.walmsley, anup, atish.patra
  Cc: linux-riscv, linux-kernel, linux-csky, guoren, Guo Ren, Vincent Chen

From: Guo Ren <guoren@linux.alibaba.com>

The patch fix commit: ad5d112 ("riscv: use vDSO common flow to
reduce the latency of the time-related functions").

The GENERIC_TIME_VSYSCALL should be CONFIG_GENERIC_TIME_VSYSCALL
or vgettimeofday won't work.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Atish Patra <atish.patra@wdc.com>
Cc: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Vincent Chen <vincent.chen@sifive.com>
---
 arch/riscv/include/asm/vdso.h | 2 +-
 arch/riscv/kernel/vdso.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h
index 8454f74..1453a2f 100644
--- a/arch/riscv/include/asm/vdso.h
+++ b/arch/riscv/include/asm/vdso.h
@@ -10,7 +10,7 @@
 
 #include <linux/types.h>
 
-#ifndef GENERIC_TIME_VSYSCALL
+#ifndef CONFIG_GENERIC_TIME_VSYSCALL
 struct vdso_data {
 };
 #endif
diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index 6782042..3f1d35e 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -12,7 +12,7 @@
 #include <linux/binfmts.h>
 #include <linux/err.h>
 #include <asm/page.h>
-#ifdef GENERIC_TIME_VSYSCALL
+#ifdef CONFIG_GENERIC_TIME_VSYSCALL
 #include <vdso/datapage.h>
 #else
 #include <asm/vdso.h>
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL
  2021-01-02 13:24 [PATCH] riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL guoren
@ 2021-01-03 10:11 ` Pekka Enberg
  2021-01-13  4:36   ` Palmer Dabbelt
  0 siblings, 1 reply; 3+ messages in thread
From: Pekka Enberg @ 2021-01-03 10:11 UTC (permalink / raw)
  To: Guo Ren
  Cc: Palmer Dabbelt, Paul Walmsley, Anup Patel, Atish Patra, Guo Ren,
	LKML, linux-csky, Vincent Chen, linux-riscv

On Sat, Jan 2, 2021 at 3:26 PM <guoren@kernel.org> wrote:
>
> From: Guo Ren <guoren@linux.alibaba.com>
>
> The patch fix commit: ad5d112 ("riscv: use vDSO common flow to
> reduce the latency of the time-related functions").
>
> The GENERIC_TIME_VSYSCALL should be CONFIG_GENERIC_TIME_VSYSCALL
> or vgettimeofday won't work.
>
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Cc: Atish Patra <atish.patra@wdc.com>
> Cc: Palmer Dabbelt <palmerdabbelt@google.com>
> Cc: Vincent Chen <vincent.chen@sifive.com>

Reviewed-by: Pekka Enberg <penberg@kernel.org>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL
  2021-01-03 10:11 ` Pekka Enberg
@ 2021-01-13  4:36   ` Palmer Dabbelt
  0 siblings, 0 replies; 3+ messages in thread
From: Palmer Dabbelt @ 2021-01-13  4:36 UTC (permalink / raw)
  To: penberg
  Cc: guoren, Paul Walmsley, anup, Atish Patra, guoren, linux-kernel,
	linux-csky, vincent.chen, linux-riscv

On Sun, 03 Jan 2021 02:11:35 PST (-0800), penberg@gmail.com wrote:
> On Sat, Jan 2, 2021 at 3:26 PM <guoren@kernel.org> wrote:
>>
>> From: Guo Ren <guoren@linux.alibaba.com>
>>
>> The patch fix commit: ad5d112 ("riscv: use vDSO common flow to
>> reduce the latency of the time-related functions").
>>
>> The GENERIC_TIME_VSYSCALL should be CONFIG_GENERIC_TIME_VSYSCALL
>> or vgettimeofday won't work.
>>
>> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
>> Cc: Atish Patra <atish.patra@wdc.com>
>> Cc: Palmer Dabbelt <palmerdabbelt@google.com>
>> Cc: Vincent Chen <vincent.chen@sifive.com>
>
> Reviewed-by: Pekka Enberg <penberg@kernel.org>

Thanks, this is on fixes.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-01-13  4:37 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-01-02 13:24 [PATCH] riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL guoren
2021-01-03 10:11 ` Pekka Enberg
2021-01-13  4:36   ` Palmer Dabbelt

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