Re: [Minios-devel] [PATCH RFC 03/16] Save/Restore Support: Declare kernel and arch pre/post suspend functions

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Bruno Alvisio, on mar. 19 déc. 2017 15:41:58 -0800, wrote:
> For mini-OS to support suspend and restore, the kernel will have to suspend
> different modules such as xenbus, console, irq, etc. During save/restore the
> kernel and arch pre_suspend and post_suspend functions will be invoked to
> suspend/resume each of the modules.
> 
> Signed-off-by: Bruno Alvisio <bruno.alvisio@xxxxxxxxx>

Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

> ---
>  arch/x86/setup.c | 10 ++++++++++
>  include/kernel.h |  2 ++
>  include/x86/os.h |  4 ++--
>  kernel.c         | 10 ++++++++++
>  4 files changed, 24 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/setup.c b/arch/x86/setup.c
> index 5278227..3dd86f9 100644
> --- a/arch/x86/setup.c
> +++ b/arch/x86/setup.c
> @@ -204,6 +204,16 @@ arch_init(void *par)
>       start_kernel();
>  }
>  
> +void arch_pre_suspend(void)
> +{
> +
> +}
> +
> +void arch_post_suspend(int canceled)
> +{
> +
> +}
> +
>  void
>  arch_fini(void)
>  {
> diff --git a/include/kernel.h b/include/kernel.h
> index d37ddda..161d757 100644
> --- a/include/kernel.h
> +++ b/include/kernel.h
> @@ -5,6 +5,8 @@
>  extern char cmdline[MAX_CMDLINE_SIZE];
>  
>  void start_kernel(void);
> +void pre_suspend(void);
> +void post_suspend(int canceled);
>  void do_exit(void) __attribute__((noreturn));
>  void arch_do_exit(void);
>  void stop_kernel(void);
> diff --git a/include/x86/os.h b/include/x86/os.h
> index d155914..a73b63e 100644
> --- a/include/x86/os.h
> +++ b/include/x86/os.h
> @@ -71,10 +71,10 @@ void trap_fini(void);
>  void xen_callback_vector(void);
>  #endif
>  
> +void arch_pre_suspend(void);
> +void arch_post_suspend(int canceled);
>  void arch_fini(void);
>  
> -
> -
>  #ifdef CONFIG_PARAVIRT
>  
>  /* 
> diff --git a/kernel.c b/kernel.c
> index 0d84a9b..90c865a 100644
> --- a/kernel.c
> +++ b/kernel.c
> @@ -155,6 +155,16 @@ void start_kernel(void)
>      run_idle_thread();
>  }
>  
> +void pre_suspend(void)
> +{
> +
> +}
> +
> +void post_suspend(int canceled)
> +{
> +
> +}
> +
>  void stop_kernel(void)
>  {
>      /* TODO: fs import */
> -- 
> 2.3.2 (Apple Git-55)
> 
> 
> _______________________________________________
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> Minios-devel@xxxxxxxxxxxxxxxxxxxx
> https://lists.xenproject.org/mailman/listinfo/minios-devel

-- 
Samuel
<g> r: et la marmotte, elle écrit un papier IPDPS

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