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Biederman) To: =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= Cc: Liao Chang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Nick Kossifidis , jszhang@kernel.org, guoren@linux.alibaba.com, Pekka Enberg , sunnanyong@huawei.com, wangkefeng.wang@huawei.com, changbin.du@intel.com, Alex Ghiti , linux-riscv , LKML , kexec@lists.infradead.org References: <20211030031832.165457-1-liaochang1@huawei.com> <20211030031832.165457-3-liaochang1@huawei.com> <87ee83goju.fsf@disp2133> Date: Mon, 01 Nov 2021 16:15:42 -0500 In-Reply-To: (=?utf-8?Q?=22Bj=C3=B6rn_T=C3=B6pel=22's?= message of "Sun, 31 Oct 2021 12:14:33 +0100") Message-ID: <87a6inbmrl.fsf@disp2133> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 X-XM-SPF: eid=1mheej-00B5mV-HN; ; ; mid=<87a6inbmrl.fsf@disp2133>; ; ; hst=in02.mta.xmission.com; ; ; ip=68.227.160.95; ; ; frm=ebiederm@xmission.com; ; ; spf=neutral X-XM-AID: U2FsdGVkX18DBOf1ufm8A1FhY1m4kqu+CrD7jATo5Fs= X-SA-Exim-Connect-IP: 68.227.160.95 X-SA-Exim-Mail-From: ebiederm@xmission.com Subject: Re: [PATCH 2/3] RISC-V: use memcpy for kexec_file mode X-SA-Exim-Version: 4.2.1 (built Sat, 08 Feb 2020 21:53:50 +0000) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211101_141557_635858_2256E89C X-CRM114-Status: GOOD ( 22.08 ) X-BeenThere: linux-riscv@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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org QmrDtnJuIFTDtnBlbCA8Ympvcm4udG9wZWxAZ21haWwuY29tPiB3cml0ZXM6Cgo+IE9uIFNhdCwg MzAgT2N0IDIwMjEgYXQgMDU6NTEsIEVyaWMgVy4gQmllZGVybWFuIDxlYmllZGVybUB4bWlzc2lv bi5jb20+IHdyb3RlOgo+Pgo+PiBMaWFvIENoYW5nIDxsaWFvY2hhbmcxQGh1YXdlaS5jb20+IHdy aXRlczoKPj4KPj4gPiBUaGUgcG9pbnRlciB0byBidWZmZXIgbG9hZGluZyBrZXJuZWwgYmluYXJp ZXMgaXMgaW4ga2VybmVsIHNwYWNlIGZvcgo+PiA+IGtleGVjX2ZpbCBtb2RlLCBXaGVuIGNvcHlf ZnJvbV91c2VyIGNvcGllcyBkYXRhIGZyb20gcG9pbnRlciB0byBhIGJsb2NrCj4+ID4gb2YgbWVt b3J5LCBpdCBjaGVja2VzIHRoYXQgdGhlIHBvaW50ZXIgaXMgaW4gdGhlIHVzZXIgc3BhY2UgcmFu Z2UsIG9uCj4+ID4gUklTQ1YtViB0aGF0IGlzOgo+PiA+Cj4+ID4gc3RhdGljIGlubGluZSBib29s IF9fYWNjZXNzX29rKHVuc2lnbmVkIGxvbmcgYWRkciwgdW5zaWduZWQgbG9uZyBzaXplKQo+PiA+ IHsKPj4gPiAgICAgICByZXR1cm4gc2l6ZSA8PSBUQVNLX1NJWkUgJiYgYWRkciA8PSBUQVNLX1NJ WkUgLSBzaXplOwo+PiA+IH0KPj4gPgo+PiA+IGFuZCBUQVNLX1NJWkUgaXMgMHg0MDAwMDAwMDAw IGZvciA2NC1iaXRzLCB3aGljaCBub3cgY2F1c2VzCj4+ID4gY29weV9mcm9tX3VzZXIgdG8gcmVq ZWN0IHRoZSBhY2Nlc3Mgb2YgdGhlIGZpZWxkICdidWYnIG9mIHN0cnVjdAo+PiA+IGtleGVjX3Nl Z21lbnQgdGhhdCBpcyBpbiByYW5nZSBbQ09ORklHX1BBR0VfT0ZGU0VUIC0gVk1BTExPQ19TSVpF LAo+PiA+IENPTkZJR19QQUdFX09GRlNFVCksIGlzIGludmFsaWQgdXNlciBzcGFjZSBwb2ludGVy Lgo+PiA+Cj4+ID4gVGhpcyBwYXRjaCBmaXhlcyB0aGlzIGlzc3VlIGJ5IHNraXBwaW5nIGFjY2Vz c19vaygpLCB1c2UgbWVtcGN5KCkgaW5zdGVhZC4KPj4KPj4gSSBhbSBhIGJpdCBjb25mdXNlZC4K Pj4KPj4gV2h5IGlzIG1hY2hpbmVfa2V4ZWMgZXZlciBjYWxsaW5nIGNvcHlfZnJvbV91c2VyPyAg VGhhdCBzZWVtcyB3cm9uZyBpbgo+PiBhbGwgY2FzZXMuCj4+Cj4KPiBJdCdzIG5vdCBtYWNoaW5l X2tleGVjIC0tIGl0J3MgbWFjaGluZV9rZXhlY19wcmVwYXJlLCB3aGljaCBwdWxscyBvdXQKPiB0 aGUgRkRUIGZyb20gdGhlIGltYWdlLiBJdCBsb29rcyBsaWtlIE1JUFMgZG9lcyBpdCBzaW1pbGFy bHkuCj4KPiAoQ2F2ZWF0OiBJIG1pZ2h0IGJlIGNvbmZ1c2VkIGFzIHdlbGwhIDstKSkKClRydWUg aXQgaXMgbWFjaGluZV9rZXhlY19wcmVwYXJlLiAgQnV0IHN0aWxsLiAgY29weV9mcm9tX3VzZXIg ZG9lcyBub3QKYmVsb25nIGluIHRoZXJlLiAgSXQgaXMgbm90IHBhc3NlZCBhIHVzZXJzcGFjZSBw b2ludGVyLgoKVGhpcyBsb29rcyBtb3JlIGxpa2UgYSBjYXNlIGZvciBrbWFwIHRvIHJlYWQgYSB0 YWJsZSBmcm9tIHRoZSBmaXJtd2FyZS4KCkV2ZW4gaWYgaXQgc29tZW9uZSBtYWRlIHNlbnNlIGl0 IGRlZmluaXRlbHkgZG9lcyBub3QgbWFrZSBzZW5zZSB0bwptYWtlIGl0IGEgY29uZGl0aW9uYWwg Y29weV9mcm9tX3VzZXIuICBUaGF0IHdheSBsaWVzIG1hZG5lc3MuCgpUaGUgZW50aXJlIGNoYW5n ZSBpcyBhIHNtZWxsIHRoYXQgdGhlcmUgaXMgc29tZSBhYnN0cmFjdGlvbiB0aGF0IGlzCmdvaW5n IHdyb25nLCBhbmQgdGhhdCBhYnN0cmFjdGlvbiBuZWVkcyB0byBnZXQgZml4ZWQuCgpFcmljCgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlz Y3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xp c3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=