From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from out03.mta.xmission.com ([166.70.13.233]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1ejBdf-0003hi-H0 for kexec@lists.infradead.org; Tue, 06 Feb 2018 22:22:57 +0000 From: ebiederm@xmission.com (Eric W. Biederman) References: <20180201231116.28077-1-jschoenh@amazon.de> <87h8r0jhf4.fsf@xmission.com> <4d45f270-7659-4d64-69a2-a9c448875c02@amazon.de> Date: Tue, 06 Feb 2018 16:22:10 -0600 In-Reply-To: <4d45f270-7659-4d64-69a2-a9c448875c02@amazon.de> ("Jan H. \=\?utf-8\?Q\?Sch\=C3\=B6nherr\=22's\?\= message of "Fri, 2 Feb 2018 22:54:22 +0100") Message-ID: <87y3k5hi7h.fsf@xmission.com> MIME-Version: 1.0 Subject: Re: [PATCH] kexec: Allow to skip digest calculation for speed 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+dwmw2=infradead.org@lists.infradead.org To: =?utf-8?Q?Jan_H=2E_Sch=C3=B6nherr?= Cc: Thomas Gleixner , kexec@lists.infradead.org IkphbiBILiBTY2jDtm5oZXJyIiA8anNjaG9lbmhAYW1hem9uLmRlPiB3cml0ZXM6Cgo+IE9uIDAy LzAyLzIwMTggMDI6NDIgQU0sIEVyaWMgVy4gQmllZGVybWFuIHdyb3RlOgo+PiBKYW4gSC4gU2No w7ZuaGVyciA8anNjaG9lbmhAYW1hem9uLmRlPiB3cml0ZXM6Cj4+IAo+Pj4gR2l2ZSB0aGUgYWRt aW5pc3RyYXRvciB0aGUgYWJpbGl0eSB0byB0cmFkZSBrZXhlYyBzYWZldHkgZm9yIGtleGVjIHNw ZWVkCj4+PiBieSBkaXNhYmxpbmcgdGhlIGRpZ2VzdCBjYWxjdWxhdGlvbi92ZXJpZmljYXRpb24g Zm9yIHJlZ3VsYXIga2V4ZWNzLgo+Pj4KPj4+IFRoZSBiZWhhdmlvciBvZiBrZXhlYy1vbi1jcmFz aCBpcyBub3QgdG91Y2hlZC4KPj4gCj4+IFRoZSBwZXJmb3JtYW5jZSBvZiB0aGUgZGlnZXN0IGNh Y3VsYXRpb24gaXMgYWNjZXB0YWJsZSBvbiAzODZzLiAgT3IgaXQKPj4gd2FzIHllYXJzIGFnbyB3 aGVuIEkgdGVzdGVkIGl0IG9uIGEgMzg2LiAgV2hhdCBpcyB0aGUgcHJvYmxlbSB5b3UgYXJlCj4+ IGhhdmluZy4KPj4gCj4+IElzIHRoZXJlIHNvbWV0aGluZyBzaWxseSBsaWtlIGEgY2FjaGUgZGlz YWJsZSBpbiB5b3VyIGNvbmZpZ3VyYXRpb24/Cj4KPiBMYXN0IHRpbWUgSSBtZWFzdXJlZCwgdGhp cyBwYXRjaCByZWR1Y2VkIHRoZSB0aW1lIHVudGlsIHRoZSBzeXN0ZW0gaXMgcmVzcG9uc2l2ZQo+ IGFnYWluIGFmdGVyIGEga2V4ZWMgYnkgYWJvdXQgNTAgbXMgdG8gMTAwIG1zIGluIG15IHNldHVw cy4gVGhhdCBzZWVtcyB0byBiZSBhYm91dAo+IHRoZSByaWdodCB0aW1lIGZvciBlbmFibGVkIGNh Y2hlcywganVkZ2luZyBmcm9tIGEgcXVpY2sgc2hhMjU2c3VtIG9uIHRoZSBjb21tYW5kCj4gbGlu ZSBhbmQgdGhlIGtlcm5lbCBzaXplcyBJJ20gd29ya2luZyB3aXRoLgo+Cj4gVGhlc2UgNTAgbXMg dG8gMTAwIG1zIGFyZSBhIG5vdGljZWFibGUgZnJhY3Rpb24gb2YgdGhlIHRvdGFsIGtleGVjIHRp bWUgYW5kIHRoZXkKPiBhcmUgZWFzeSB0byBhdm9pZCAtLSBjb21wYXJlZCB0byBzb21lIG90aGVy IHRpbWUgc2lua3MgaW4gdGhlIExpbnV4Cj4gYm9vdCBwcm9jZXNzLgoKU28ganVzdCBvcHRpbWl6 YXRpb24gZm9yIG9wdGltaXphdGlvbiBzYWtlLiAgSXQgZml4ZXMgbm8gcHJvYmxlbXMgYW5kCnNv bHZlcyBubyBjaGFsbGVuZ2VzLgoKT24gYSBodW1hbiB0aW1lIHNjYWxlIEkgZG9uJ3QgYmVsaWV2 ZSA1MG1zIHRvIDEwMG1zIGlzIGF0IGFsbCBub3RpY2FibGUuCgpUaGUgb3B0aW9uIGlzIGFscmVh ZHkgdGhlcmUgaWYgeW91IGRvbid0IHVzZSB0aGUga2V4ZWNfZmlsZSBzeXNjYWxsLgoKVGhlIGtl eGVjX2ZpbGUgc3lzY2FsbCBleGlzdHMgYmVjYXVzZSBwZW9wbGUgaGF2ZSBzZXR1cHMgd2hlcmUK c2lnbmF0dXJlcyBhcmUgbmVlZGVkIG9uIGtlcm5lbHMgYW5kIHNvIGNhbiBub3QgYWZmb3JkIHRo ZSBmdWxsCmdlbmVyYWxpdHkgb2YgdGhlIG9yaWdpbmFsIGtleGVjIHN5c3RlbSBjYWxsLiAgVGhl IHVzZSBvZiBrZXhlY19maWxlCmFscmVhZHkgdGVsbHMgdXMgcGVvcGxlIG9mIGdpdmVuIHVwIGZ1 bGwgZ2VuZXJhbGl0eSBmb3Igc2FmZXR5LgoKSWYgdGhlcmUgaXMgYSBjb21wZWxsaW5nIHVzZSBj YXNlIHdlIGNhbiB0YWxrIGFib3V0IHRoaXMsIGJ1dCByaWdodCBub3cKSSBkb24ndCBzZWUgd2hh dCBjb3VsZCBwb3NzaWJseSBiZSBjb21wZWxsaW5nIGFib3V0IHNhdmluZyBhIHRlbnRoIG9mIGEK c2Vjb25kLCBvbiBhIGNvbXBhcmF0aXZlbHkgcmFyZSBvcGVyYXRpb24uCgpFcmljCgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18Ka2V4ZWMgbWFpbGluZyBs aXN0CmtleGVjQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcv bWFpbG1hbi9saXN0aW5mby9rZXhlYwo=