Re: [PATCH] lockdep-design.txt

* Aneesh Kumar <[email protected]> wrote:

> I was looking at lockdep-desing.txt and i guess i am confused with the 
> changes with respect to fd7bcea35e7efb108c34ee2b3840942a3749cadb. It 
> says
> 
> +   '.'  acquired while irqs enabled
> +   '+'  acquired in irq context
> +   '-'  acquired in process context with irqs disabled
> +   '?'  read-acquired both with irqs enabled and in irq context
> +
> 
> 
> But the get_usage_chars() function does this for '-'
> if (class->usage_mask & LOCKF_ENABLED_HARDIRQS)
>                        *c1 = '-';
> 
> 
> 
> So i guess what would be correct would be
> '.'  acquired while irqs disabled
> '+'  acquired in irq context
> '-'  acquired with irqs enabled
> '?' read acquired in irq context with irqs enabled.
> 
> Is this correct ?

indeed, that's correct.

Acked-by: Ingo Molnar <[email protected]>

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [PATCH] lockdep-design.txt
    • From: "Aneesh Kumar" <[email protected]>

• Prev by Date: Re: [PATCH] libata: skip reset on bus not a device
• Next by Date: Re: [PATCH] libata: skip reset on bus not a device
• Previous by thread: [PATCH] lockdep-design.txt
• Next by thread: [PATCH] Fix typos in mm/shmem_acl.c
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]