Re: [uml-devel] [PATCH 2/3] Errata: HR Timer subsystem

[Anton Ivanov]

This one came up with a messed up formatting, I will resubmit at some 
point (hopefully as we refine this).

A.

On 20/11/15 16:45, Anton Ivanov wrote:
> The signals should be restored to their pre-off state
> not turned on.
>
> Signed-off-by: Anton Ivanov <aiva...@brocade.com>
> ---
>   arch/um/kernel/skas/mmu.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
> index 9591a66..a845de6 100644
> --- a/arch/um/kernel/skas/mmu.c
> +++ b/arch/um/kernel/skas/mmu.c
> @@ -53,6 +53,7 @@ int init_new_context(struct task_struct *task, struct 
> mm_struct *mm)
>       struct mm_context *to_mm = &mm->context;
>       unsigned long stack = 0;
>       int ret = -ENOMEM;
> +    unsigned long int flags;
>   
>       stack = get_zeroed_page(GFP_KERNEL);
>       if (stack == 0)
> @@ -62,12 +63,12 @@ int init_new_context(struct task_struct *task, struct 
> mm_struct *mm)
>       if (current->mm != NULL && current->mm != &init_mm)
>               from_mm = &current->mm->context;
>   
> -     block_signals();
> +     local_irq_save(flags);
>       if (from_mm)
>               to_mm->id.u.pid = copy_context_skas0(stack,
>                                                    from_mm->id.u.pid);
>       else to_mm->id.u.pid = start_userspace(stack);
> -     unblock_signals();
> +    local_irq_restore(flags);
>   
>       if (to_mm->id.u.pid < 0) {
>               ret = to_mm->id.u.pid;

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