From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
paulus@samba.org, mpe@ellerman.id.au,
Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/3] powerpc/mm: Rename find_linux_pte_or_hugepte
Date: Tue, 16 May 2017 21:22:52 +1000 [thread overview]
Message-ID: <1494933772.21847.48.camel@kernel.crashing.org> (raw)
In-Reply-To: <1494926782-25700-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
On Tue, 2017-05-16 at 14:56 +0530, Aneesh Kumar K.V wrote:
> +static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea,
> + bool *is_thp, unsigned *hshift)
> +{
> + VM_WARN((!arch_irqs_disabled() && !__hard_irqs_disabled()) ,
> + "%s called with irq enabled\n", __func__);
> + return __find_linux_pte(pgdir, ea, is_thp, hshift);
> +}
> +
When is arch_irqs_disabled() not sufficient ?
Cheers,
Ben.
next prev parent reply other threads:[~2017-05-16 11:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-16 9:26 [PATCH 1/3] powerpc: Add __hard_irqs_disabled() Aneesh Kumar K.V
2017-05-16 9:26 ` [PATCH 2/3] powerpc/mm: Rename find_linux_pte_or_hugepte Aneesh Kumar K.V
2017-05-16 11:22 ` Benjamin Herrenschmidt [this message]
2017-05-17 3:27 ` Aneesh Kumar K.V
2017-05-17 4:57 ` Benjamin Herrenschmidt
2017-05-17 5:30 ` Madhavan Srinivasan
2017-05-29 14:32 ` Aneesh Kumar K.V
2017-05-30 3:21 ` Benjamin Herrenschmidt
2017-05-16 9:26 ` [PATCH 3/3] powerpc/mm: Don't send IPI to all cpus on THP updates Aneesh Kumar K.V
2017-05-16 11:22 ` [PATCH 1/3] powerpc: Add __hard_irqs_disabled() Benjamin Herrenschmidt
2017-05-17 11:04 ` Balbir Singh
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