Patchwork sparc32,leon: add notify_cpu_starting()

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Submitter Konrad Eisele
Date April 20, 2012, 7:46 a.m.
Message ID <1334907995-6971-1-git-send-email-konrad@gaisler.com>
Download mbox | patch
Permalink /patch/153955/
State Superseded
Delegated to: David Miller
Headers show

Comments

Konrad Eisele - April 20, 2012, 7:46 a.m.
Otherwise cpu_active_mask will not set, which lead to other issue.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Konrad Eisele <konrad@gaisler.com>
---
 arch/sparc/kernel/leon_smp.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
Konrad Eisele - April 20, 2012, 7:47 a.m.
This version is against linux/kernel/git/davem/sparc-next.git .
-- Konrad

Konrad Eisele wrote:
> Otherwise cpu_active_mask will not set, which lead to other issue.
>
> Signed-off-by: Yong Zhang<yong.zhang0@gmail.com>
> Signed-off-by: Konrad Eisele<konrad@gaisler.com>
> ---
>   arch/sparc/kernel/leon_smp.c |    2 ++
>   1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
> index 6173f4d..356dfc4 100644
> --- a/arch/sparc/kernel/leon_smp.c
> +++ b/arch/sparc/kernel/leon_smp.c
> @@ -79,6 +79,8 @@ void __cpuinit leon_callin(void)
>   	local_flush_tlb_all();
>   	leon_configure_cache_smp();
>
> +	notify_cpu_starting(cpuid);
> +
>   	/* Get our local ticker going. */
>   	register_percpu_ce(cpuid);
>

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Srivatsa S. Bhat - April 20, 2012, 8:01 a.m.
On 04/20/2012 01:16 PM, Konrad Eisele wrote:

> Otherwise cpu_active_mask will not set, which lead to other issue.
> 
> Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
> Signed-off-by: Konrad Eisele <konrad@gaisler.com>


Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>

Looks like I missed sparc32 while fixing up the other architectures.
(https://lkml.org/lkml/2012/3/22/132)

Regards,
Srivatsa S. Bhat

> ---
>  arch/sparc/kernel/leon_smp.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
> index 6173f4d..356dfc4 100644
> --- a/arch/sparc/kernel/leon_smp.c
> +++ b/arch/sparc/kernel/leon_smp.c
> @@ -79,6 +79,8 @@ void __cpuinit leon_callin(void)
>  	local_flush_tlb_all();
>  	leon_configure_cache_smp();
> 
> +	notify_cpu_starting(cpuid);
> +
>  	/* Get our local ticker going. */
>  	register_percpu_ce(cpuid);
> 

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Patch

diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 6173f4d..356dfc4 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -79,6 +79,8 @@  void __cpuinit leon_callin(void)
 	local_flush_tlb_all();
 	leon_configure_cache_smp();
 
+	notify_cpu_starting(cpuid);
+
 	/* Get our local ticker going. */
 	register_percpu_ce(cpuid);