| .. | .. |
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| 28 | 28 | #define SA_IA32_ABI 0x02000000u |
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| 29 | 29 | #define SA_X32_ABI 0x01000000u |
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| 30 | 30 | |
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| 31 | +/* |
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| 32 | + * Because some traps use the IST stack, we must keep preemption |
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| 33 | + * disabled while calling do_trap(), but do_trap() may call |
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| 34 | + * force_sig_info() which will grab the signal spin_locks for the |
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| 35 | + * task, which in PREEMPT_RT_FULL are mutexes. By defining |
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| 36 | + * ARCH_RT_DELAYS_SIGNAL_SEND the force_sig_info() will set |
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| 37 | + * TIF_NOTIFY_RESUME and set up the signal to be sent on exit of the |
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| 38 | + * trap. |
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| 39 | + */ |
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| 40 | +#if defined(CONFIG_PREEMPT_RT_FULL) |
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| 41 | +#define ARCH_RT_DELAYS_SIGNAL_SEND |
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| 42 | +#endif |
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| 43 | + |
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| 31 | 44 | #ifndef CONFIG_COMPAT |
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| 32 | 45 | typedef sigset_t compat_sigset_t; |
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| 33 | 46 | #endif |
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