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Wed, 31 May 2023 11:39:28 GMT Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D41135806A; Wed, 31 May 2023 11:39:27 +0000 (GMT) Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5F93858065; Wed, 31 May 2023 11:39:27 +0000 (GMT) Received: from li-f45666cc-3089-11b2-a85c-c57d1a57929f.ibm.com (unknown [9.61.108.68]) by smtpav05.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 31 May 2023 11:39:27 +0000 (GMT) Message-ID: <4eff26f794254c1f06ace12e68527fd3452ac47d.camel@linux.ibm.com> Subject: Re: need help: patches to capture events between kexec load and execute From: Mimi Zohar To: Tushar Sugandhi , Jonathan McDowell , bauermann@kolabnow.com Cc: "kexec@lists.infradead.org" , Alasdair G Kergon , Lakshmi Ramasubramanian , Tyler Hicks , code@tyhicks.com Date: Wed, 31 May 2023 07:39:27 -0400 In-Reply-To: <87775c1e-d1d3-519c-599b-30cdb1691cb2@linux.microsoft.com> References: <87775c1e-d1d3-519c-599b-30cdb1691cb2@linux.microsoft.com> X-Mailer: Evolution 3.28.5 (3.28.5-18.el8) Mime-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: fKXcbNPP-Siwe-qkd38p3ajPyQ21CnMR X-Proofpoint-ORIG-GUID: VKYItfWJbIznvcgcRbBHPTg2n-72MgkW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-31_07,2023-05-31_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 malwarescore=0 adultscore=0 phishscore=0 priorityscore=1501 mlxlogscore=670 clxscore=1011 spamscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305310105 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230531_050545_894158_0FD22D9E X-CRM114-Status: GOOD ( 25.13 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org SGkgVHVzaGFyLAoKT24gVGh1LCAyMDIzLTA1LTI1IGF0IDEwOjIxIC0wNzAwLCBUdXNoYXIgU3Vn YW5kaGkgd3JvdGU6Cgo+IFRoZSBpc3N1ZSBvZiBJTUEgbWVhc3VyZW1lbnRzIGdldHRpbmcgbG9z dCBiZXR3ZWVuIGtleGVjICdsb2FkJyBhbmQgJ2V4ZWN1dGUnIHN0aWxsIGV4aXN0cy4gCj4gSSB2 ZXJpZmllZCBpdCBvbiB0aGUgbWFpbmxpbmUga2VybmVsIDYuNC5yYzMuIFNlZSAqQXBwZW5kaXgg QSogZm9yIGRldGFpbHMuCj4gCj4gSSB3ZW50IHRocm91Z2ggVGhpYWdvJ3MgcGF0Y2hlcyBoZSB3 cm90ZSBzZXZlcmFsIHllYXJzIGFnbywgYW5kIHRyaWVkIHRvIGRldmVsb3AgYSBzb2x1dGlvbi4K PiAKPiBJIHdhcyBmYWNpbmcgc29tZSBpc3N1ZXMgd2l0aCBwaHlzaWNhbCB0byB2aXJ0dWFsIGFk ZHJlc3MgdHJhbnNsYXRpb24uIAo+IE9uZSBvZiBteSBjby13b3JrZXIgYXQgTWljcm9zb2Z0IGhl bHBlZCBteSByZS13cml0ZSB0aGUgbG9naWMgd2hpY2ggc2VlbXMgdG8gYmUgd29ya2luZy4KPiBT ZWUgdGhlIGF0dGFjaGVkIHBhdGNoIGFuZCAqQXBwZW5kaXggQiogZm9yIGRldGFpbHMuCj4gCj4g VGhlIGJhc2ljIGZ1bmN0aW9uYWxpdHkgaXMgd29ya2luZy4gSSBuZWVkIHRvIHBvbGlzaCB0aGUg Y29kZSwgYW5kIGhhbmRsZSBlcnJvciBwYXRocyBpbiBhIGJldHRlciB3YXkuCj4gQnV0IGJlZm9y ZSBkb2luZyB0aGF0LCBJIG5lZWQgeW91ciBmZWVkYmFjayBvbiB0aGUgZnVuZGFtZW50YWwgYXBw cm9hY2guCj4gU2luY2UgSSBhbSBub3QgYSBrZXhlYyBleHBlcnQsIGl04oCZZCBiZSBncmVhdCBp ZiBJIGNvdWxkIGdldCBoZWxwIHdpdGggdGhlIGNvZGUgcmV2aWV3Cj4gYW5kIGFsc28gc3VnZ2Vz dGlvbnMgb24gc2NlbmFyaW9zIHRvIHRlc3QgdG8gdmFsaWRhdGUgdGhlIHBhdGNoIHRob3JvdWdo bHkuIAo+IExldCBtZSBrbm93IGlmIEkgc2hvdWxkIGZpcnN0IHBvc3QgdGhlIHBhdGNoIGFzIFJG QyBvbiBwdWJsaWMgZm9ydW1zIGZvciB0aGF0LgoKVGhhbmtzLCBUdXNoYXIuICAgTWVhc3VyZW1l bnRzIGNhbiBhbmQgYXJlIGN1cnJlbnRseSBiZWluZyBhZGRlZCB0byB0aGUKSU1BIG1lYXN1cmVt ZW50IGxpc3QgYmV0d2VlbiBrZXhlYyBsb2FkIGFuZCBleGVjdXRlLCBidXQgYXJlIG5vdCBiZWlu ZwpjYXJyaWVkIGFjcm9zcyBrZXhlYy4gIFRoZXNlIG1lYXN1cmVtZW50cyBhbHNvIGV4dGVuZCB0 aGUgVFBNLiAgQWZ0ZXIKdGhlIHNvZnQgcmVib290LCB3aXRob3V0IHRoZXNlIGFkZGl0aW9uYWwg bWVhc3VyZW1lbnRzIHRoZSBJTUEKbWVhc3VyZW1lbnQgbGlzdCBjYW5ub3QgYmUgdmVyaWZpZWQg YWdhaW5zdCB0aGUgVFBNIFBDUnMuCgpZb3VyIHByb3Bvc2VkIHBhdGNoLCBsaWtlIFRoaWFnbydz LCBzYXZlZCB0aGUgZW50aXJlIElNQSBtZWFzdXJlbWVudApsaXN0IGFnYWluLiAgQXNzdW1pbmcg dGhlIGJ1ZmZlciBzaXplIGNhbid0IGNoYW5nZSBiZXR3ZWVuIGtleGVjIGxvYWQKYW5kIGV4ZWN1 dGUsIGFzIHBlciB0aGUgY29tbWVudCwgd2h5IG5vdCBqdXN0IGFsbG9jYXRlIHRoZSBidWZmZXIg b24Ka2V4ZWMgbG9hZCBhbmQgZmlsbCBpdCBvbiBrZXhlYyBleGVjPwoKVG8gc2ltdWxhdGUgdGhl IGV4aXN0aW5nIGJlaGF2aW9yLCBmaWxsIHRoZSBidWZmZXIgd2l0aCBhcyBtYW55CmNvbXBsZXRl IG1lYXN1cmVtZW50IHJlY29yZHMgYXMgdGhlIGJ1ZmZlciB3aWxsIGhvbGQuCgotLSAKdGhhbmtz LAoKTWltaQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmtleGVjIG1haWxpbmcgbGlzdAprZXhlY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8va2V4ZWMK