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Wed, 22 Jul 2020 09:08:10 +0000 Received: from 54-240-197-231.amazon.com ([54.240.197.231] helo=a483e7b01a66.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1jyAjS-0001i7-E0; Wed, 22 Jul 2020 09:08:10 +0000 Subject: Re: [PATCH v2 04/11] x86/xen: add system core suspend and resume callbacks To: Anchal Agarwal , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, boris.ostrovsky@oracle.com, jgross@suse.com, linux-pm@vger.kernel.org, linux-mm@kvack.org, kamatam@amazon.com, sstabellini@kernel.org, konrad.wilk@oracle.com, roger.pau@citrix.com, axboe@kernel.dk, davem@davemloft.net, rjw@rjwysocki.net, len.brown@intel.com, pavel@ucw.cz, peterz@infradead.org, eduval@amazon.com, sblbir@amazon.com, xen-devel@lists.xenproject.org, vkuznets@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dwmw@amazon.co.uk, benh@kernel.crashing.org References: <20200702182205.GA3531@dev-dsk-anchalag-2a-9c2d1d96.us-west-2.amazon.com> From: Julien Grall Message-ID: Date: Wed, 22 Jul 2020 10:08:05 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200702182205.GA3531@dev-dsk-anchalag-2a-9c2d1d96.us-west-2.amazon.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 83F03103BE4 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, On 02/07/2020 19:22, Anchal Agarwal wrote: > diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h > index 2521d6a306cd..9fa8a4082d68 100644 > --- a/include/xen/xen-ops.h > +++ b/include/xen/xen-ops.h > @@ -41,6 +41,8 @@ u64 xen_steal_clock(int cpu); > int xen_setup_shutdown_event(void); > > bool xen_is_xen_suspend(void); > +void xen_setup_syscore_ops(void); The function is only implemented and used by x86. So shouldn't this be declared in an x86 header? Cheers, -- Julien Grall