linux-kernel - Re: [PATCH v2] powerpc/lockdep: fix a false positive warning

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Date:   Sun, 8 Sep 2019 10:32:58 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Qian Cai <cai@....pw>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Peter Zijlstra <peterz@...radead.org>, bvanassche@....org,
        arnd@...db.de, kvm-ppc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH v2] powerpc/lockdep: fix a false positive warning


* Qian Cai <cai@....pw> wrote:

> I thought about making it a bool in the first place, but since all 
> other similar helpers (arch_is_kernel_initmem_freed(), 
> arch_is_kernel_text(), arch_is_kernel_data() etc) could be bool too but 
> are not, I kept arch_is_bss_hole() just to be “int” for consistent.
> 
> Although then there is is_kernel_rodata() which is bool. I suppose I’ll 
> change arch_is_bss_hole() to bool, and then could have a follow-up 
> patch to covert all similar helpers to return boo instead.

Sounds good to me.

Thanks,

	Ingo