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Date:   Wed, 7 Apr 2021 11:38:44 +0200
From:   Oscar Salvador <osalvador@suse.de>
To:     Michal Hocko <mhocko@suse.com>
Cc:     Mike Kravetz <mike.kravetz@oracle.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, Roman Gushchin <guro@fb.com>,
        Shakeel Butt <shakeelb@google.com>,
        David Hildenbrand <david@redhat.com>,
        Muchun Song <songmuchun@bytedance.com>,
        David Rientjes <rientjes@google.com>,
        Miaohe Lin <linmiaohe@huawei.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Matthew Wilcox <willy@infradead.org>,
        HORIGUCHI NAOYA <naoya.horiguchi@nec.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
        Waiman Long <longman@redhat.com>, Peter Xu <peterx@redhat.com>,
        Mina Almasry <almasrymina@google.com>,
        Hillf Danton <hdanton@sina.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Barry Song <song.bao.hua@hisilicon.com>,
        Will Deacon <will@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v4 7/8] hugetlb: make free_huge_page irq safe
Message-ID: <20210407093844.GB11066@linux>
References: <20210405230043.182734-1-mike.kravetz@oracle.com>
 <20210405230043.182734-8-mike.kravetz@oracle.com>
 <20210407091237.GC10058@linux>
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On Wed, Apr 07, 2021 at 11:33:18AM +0200, Michal Hocko wrote:
> Yes. spin_unlock_irq will enable interrupts unconditionally which is
> certainly not what we want if the path is called with IRQ disabled by
> the caller.

I see, thanks for confirming.

-- 
Oscar Salvador
SUSE L3