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Bottomley" , Parisc List , Arnd Bergmann , "Geert Uytterhoeven" , Russell King , "linux-kernel@vger.kernel.org" , Palmer Dabbelt , Linux ARM , "netdev@vger.kernel.org" Subject: RE: [PATCH v11] lib: checksum: Use aligned accesses for ip_fast_csum and csum_ipv6_magic tests Thread-Topic: [PATCH v11] lib: checksum: Use aligned accesses for ip_fast_csum and csum_ipv6_magic tests Thread-Index: AQHaa/sz2G6zh0QEYUOonhCQoX0NCrEjHqIg Date: Fri, 1 Mar 2024 17:24:39 +0000 Message-ID: <3e0e2b25ea2d4ab99e78aff04af94b69@AcuMS.aculab.com> References: <20240229-fix_sparse_errors_checksum_tests-v11-1-f608d9ec7574@rivosinc.com> <41a5d1e8-6f30-4907-ba63-8a7526e71e04@csgroup.eu> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240301_092445_317719_4F43FF43 X-CRM114-Status: GOOD ( 31.44 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org RnJvbTogQ2hhcmxpZSBKZW5raW5zCj4gU2VudDogMDEgTWFyY2ggMjAyNCAxNzowOQo+IAo+IE9u IEZyaSwgTWFyIDAxLCAyMDI0IGF0IDA3OjE3OjM4QU0gKzAwMDAsIENocmlzdG9waGUgTGVyb3kg d3JvdGU6Cj4gPiArQ0MgbmV0ZGV2IEFSTSBSdXNzZWxsCj4gPgo+ID4gTGUgMjkvMDIvMjAyNCDD oCAyMzo0NiwgQ2hhcmxpZSBKZW5raW5zIGEgw6ljcml0wqA6Cj4gPiA+IFRoZSB0ZXN0IGNhc2Vz IGZvciBpcF9mYXN0X2NzdW0gYW5kIGNzdW1faXB2Nl9tYWdpYyB3ZXJlIG5vdCBwcm9wZXJseQo+ ID4gPiBhbGlnbmluZyB0aGUgSVAgaGVhZGVyLCB3aGljaCB3ZXJlIGNhdXNpbmcgZmFpbHVyZXMg b24gYXJjaGl0ZWN0dXJlcwo+ID4gPiB0aGF0IGRvIG5vdCBzdXBwb3J0IG1pc2FsaWduZWQgYWNj ZXNzZXMgbGlrZSBzb21lIEFSTSBwbGF0Zm9ybXMuIFRvCj4gPiA+IHNvbHZlIHRoaXMsIGFsaWdu IHRoZSBkYXRhIGFsb25nICgxNCArIE5FVF9JUF9BTElHTikgYnl0ZXMgd2hpY2ggaXMgdGhlCj4g PiA+IHN0YW5kYXJkIGFsaWdubWVudCBvZiBhbiBJUCBoZWFkZXIgYW5kIG11c3QgYmUgc3VwcG9y dGVkIGJ5IHRoZQo+ID4gPiBhcmNoaXRlY3R1cmUuCj4gPgo+ID4gSW4geW91ciBkZXNjcmlwdGlv biwgcGxlYXNlIHByb3ZpZGUgbW9yZSBkZXRhaWxzIG9uIHBsYXRmb3JtcyB0aGF0IGhhdmUKPiA+ IGEgcHJvYmxlbSwgd2hhdCB0aGUgcHJvYmxlbSBpcyBleGFjdGx5IChGYWlsZWQgY2FsY3VsYXRp b24sIHNsb3dsaW5lc3MsCj4gPiBrZXJuZWwgT29wcywgcGFuaWMsIC4uLi4pIG9uIGVhY2ggcGxh dGZvcm0uCj4gPgo+ID4gQW5kIHBsZWFzZSBjb3B5IG1haW50YWluZXJzIGFuZCBsaXN0cyBvZiBw bGF0Zm9ybXMgeW91ciBhcmUgc3BlY2lmaWNhbGx5Cj4gPiBhZGRyZXNzaW5nIHdpdGggdGhpcyBj aGFuZ2UuIEFuZCBhcyB0aGlzIGlzIG5ldHdvcmsgcmVsYXRlZCwgbmV0ZGV2IGxpc3QKPiA+IHNo b3VsZCBoYXZlIGJlZW4gY29waWVkIGFzIHdlbGwuCj4gPgo+ID4gSSBzdGlsbCB0aGluayB0aGF0 IHlvdXIgcGF0Y2ggaXMgbm90IHRoZSBnb29kIGFwcHJvYWNoLCBpdCBsb29rcyBsaWtlCj4gPiB5 b3UgYXJlIGlnbm9yaW5nIGFsbCB0aGUgZGlzY3Vzc2lvbi4gQmVsb3cgaXMgYSBxdW90ZSBvZiB3 aGF0IEdlZXJ0IHNhaWQKPiA+IGFuZCBJIGZ1bGx5IGFncmVlIHdpdGggdGhhdDoKPiA+Cj4gPiAJ SU1ITyB0aGUgdGVzdHMgc2hvdWxkIHZhbGlkYXRlIHRoZSBleHBlY3RlZCBmdW5jdGlvbmFsaXR5 LiAgSWYgYSB0ZXN0Cj4gPiAJZmFpbHMsIGVpdGhlciBmdW5jdGlvbmFsaXR5IGlzIG1pc3Npbmcg b3IgYmVoYXZlcyB3cm9uZywgb3IgdGhlIHRlc3QKPiA+IAlpcyB3cm9uZy4KPiA+Cj4gPiAJV2hh dCBpcyB0aGUgcG9pbnQgb2Ygd3JpdGluZyB0ZXN0cyBmb3IgYSBjb3JlIGZ1bmN0aW9uYWxpdHkg bGlrZSBuZXR3b3JrCj4gPiAJY2hlY2tzdW1taW5nIHRoYXQgZG8gbm90IG1hdGNoIHRoZSBleHBl Y3RlZCBmdW5jdGlvbmFsaXR5Pwo+ID4KPiA+Cj4gPiBTbyB3ZSBhbGwgYWdyZWUgdGhhdCB0aGVy ZSBpcyBzb21ldGhpbmcgdG8gZml4LCBiZWNhdXNlIHRvZGF5J3MgdGVzdAo+ID4gZG9lcyBvZGQt YWRkcmVzcyBhY2Nlc3NlcyB3aGljaCBpcyB1bmV4cGVjdGVkIGZvciB0aG9zZSBmdW5jdGlvbnMs IGJ1dAo+ID4gMi1ieXRlIGFsaWdubWVudHMgc2hvdWxkIGJlIHN1cHBvcnRlZCBoZW5jZSB0ZXN0 ZWQgYnkgdGhlIHRlc3QuIExpbWl0aW5nCj4gPiB0aGUgdGVzdCB0byBhIDE2LWJ5dGVzIGFsaWdu bWVudCBkZWVwbHkgcmVkdWNlcyB0aGUgdXNlZnVsbG5lc3Mgb2YgdGhlIHRlc3QuCj4gPgo+IAo+ IE1heWJlIEkgYW0gbG9zdCBpbiB0aGUgY29udmVyc2F0aW9ucy4gVGhpcyBpc24ndCBsaW1pdGVk IHRvIDE2LWJ5dGVzCj4gYWxpZ25tZW50PyBJdCBhbGlnbnMgYWxvbmcgMTQgKyBORVRfSVBfQUxJ R04uIFRoYXQgaXMgMTYgb24gc29tZQo+IHBsYXRmb3JtcyBhbmQgMTQgb24gcGxhdGZvcm1zIHdo ZXJlIHVuYWxpZ25lZCBhY2Nlc3NlcyBhcmUgZGVzaXJlZC4KPiBUaGVzZSBmdW5jdGlvbnMgYXJl IGV4cGVjdGVkIHRvIGJlIGNhbGxlZCB3aXRoIHRoaXMgb2Zmc2V0LiBUZXN0aW5nIHdpdGgKPiBh bnkgb3RoZXIgYWxpZ25tZW50IGlzIG5vdCB0aGUgZXhwZWN0ZWQgYmVoYXZpb3IuIFRoZXNlIHRl c3RzIGFyZQo+IHRlc3RpbmcgdGhlIGV4cGVjdGVkIGZ1bmN0aW9uYWxpdHkuCgpBbGlnbmVkIHJl Y2VpdmVkIGZyYW1lcyBjYW4gaGF2ZSBhIDQgYnl0ZSBWTEFOIGhlYWRlciAob3IgdHdvKSByZW1v dmVkLgpTbyB0aGUgYWxpZ25tZW50IG9mIHRoZSBJUCBoZWFkZXIgaXMgZWl0aGVyIDRuIG9yIDRu KzIuCklmIHRoZSBjcHUgZmF1bHQgbWlzYWxpZ25lZCBhY2Nlc3NlcyB5b3UgcmVhbGx5IHdhbnQg dGhlIGFsaWdubWVudAp0byBiZSA0bi4KCllvdSBwcmV0dHkgbXVjaCBuZXZlciB3YW50IHRvIHRy YXAgYW5kIGZpeHVwIGEgbWlzYWxpZ25lZCBhY2Nlc3MuCkVzcGVjaWFsbHkgaW4gdGhlIG5ldHdv cmsgc3RhY2suCkkgc3VzcGVjdCBpdCBpcyBiZXR0ZXIgdG8gZG8gYSByZWFsaWdubWVudCBjb3B5 IG9mIHRoZSBlbnRpcmUgZnJhbWUuCkF0IHNvbWUgcG9pbnQgdGhlIGRhdGEgd2lsbCBiZSBjb3Bp ZWQgYWdhaW4sIGFsdGhvdWdoIHlvdSBtYXkgd2FudAphIENCVSAoY3J5c3RhbCBiYWxsIHVuaXQp IHRvIGRlY2lkZSB3aGV0aGVyIHRvIGFsaWduIG9uIGFuIDhuCm9yIDhuKzQgYm91bmRhcnkgdG8g b3B0aW1pc2UgYSBsYXRlciBjb3B5LgoKQ1BVIHRoYXQgc3VwcG9ydCBtaXNhbGlnbmVkIHRyYW5z ZmVycyBqdXN0IG1ha2UgY29kZXJzIHNsb3BweSA6LSkKCglEYXZpZAoKLQpSZWdpc3RlcmVkIEFk ZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywg TUsxIDFQVCwgVUsKUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykKCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1h aWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xp c3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==