On 01/16/2013 08:17 PM, Jan Kiszka wrote:
> In the legacy use case, __ipipe_switch_tail will be invoked over the
> non-root domain after hardening. So clearing of TASK_HARDENING must not
> be restricted to root.
>
> Signed-off-by: Jan Kiszka <[email protected]>
> ---
>
> For the case my analysis was right. With this, Xenomai 2.6 works again
> here.
>
> kernel/ipipe/core.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/ipipe/core.c b/kernel/ipipe/core.c
> index 6929156..4695ba8 100644
> --- a/kernel/ipipe/core.c
> +++ b/kernel/ipipe/core.c
> @@ -1124,7 +1124,9 @@ int __ipipe_switch_tail(void)
> hard_local_irq_disable();
> #endif
> x = __ipipe_root_p;
> +#ifndef CONFIG_IPIPE_LEGACY
> if (x)
> +#endif
> complete_domain_migration();
>
> #ifndef CONFIG_IPIPE_WANT_PREEMPTIBLE_SWITCH
Mmm, from the old patch it seems complete_domain_migration should not be
called for legacy, so, what we would like instead is:
#ifdef CONFIG_IPIPE_LEGACY
current->state &= ~TASK_HARDENING;
#else
if (x)
complete_domain_migration();
#endif
--
Gilles.
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