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Mon, 10 Feb 2025 01:26:39 -0800 (PST) Received: from localhost ([2a02:8308:a00c:e200::766e]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4394679a3a1sm16563815e9.5.2025.02.10.01.26.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 01:26:39 -0800 (PST) Date: Mon, 10 Feb 2025 10:26:38 +0100 From: Andrew Jones To: Anup Patel Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, charlie@rivosinc.com, jesse@rivosinc.com Subject: Re: [PATCH 0/9] riscv: Unaligned access speed probing fixes and skipping Message-ID: <20250210-d575562e04d84ca570e26f5d@orel> References: <20250207161939.46139-11-ajones@ventanamicro.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250210_012641_826820_11E3437E X-CRM114-Status: GOOD ( 25.92 ) 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 T24gU2F0LCBGZWIgMDgsIDIwMjUgYXQgMDE6Mjk6NDJQTSArMDUzMCwgQW51cCBQYXRlbCB3cm90 ZToKPiBPbiBGcmksIEZlYiA3LCAyMDI1IGF0IDk6NDnigK9QTSBBbmRyZXcgSm9uZXMgPGFqb25l c0B2ZW50YW5hbWljcm8uY29tPiB3cm90ZToKPiA+Cj4gPiBUaGUgZmlyc3Qgc2l4IHBhdGNoZXMg b2YgdGhpcyBzZXJpZXMgYXJlIGZpeGVzIGFuZCBjbGVhbnVwcyBvZiB0aGUKPiA+IHVuYWxpZ25l ZCBhY2Nlc3Mgc3BlZWQgcHJvYmluZyBjb2RlLiBUaGUgbmV4dCB0d28gcGF0Y2hlcyBpbnRyb2R1 Y2UKPiA+IHN1cHBvcnQgdG8gc2tpcCBwcm9iaW5nIGJ5IG1hdGNoaW5nIHZlbmRvci9hcmNoL2lt cCBpZHMgYW5kIGNoZWNraW5nIGEKPiA+IHRhYmxlIGZvciB0aGUgYWNjZXNzIHNwZWVkIHR5cGUu IFRoZSBsYXN0IHBhdGNoIGFwcGxpZXMgdGhlIG5ldyBza2lwCj4gPiBzdXBwb3J0IHRvIFZlbnRh bmEgaGFydHMuCj4gCj4gQWx0ZXJuYXRpdmVseSwgd2UgY2FuIGFsc28gc2tpcCBwcm9iaW5nIG1p c2FsaWduZWQgYWNjZXNzIHdoZW4gWmljY2xzbQo+IGV4dGVuc2lvbiBpcyBwcmVzZW50IGluIHRo ZSBJU0Egc3RyaW5nLiBUaGUgWmljY2xzbSBleHRlbnNpb24gaXMgZGVmaW5lZAo+IGFzIHBhcnQg b2YgdGhlIHJhdGlmaWVkIFJWQTIzIHByb2ZpbGUuCgpUaGUgZGVmaW5pdGlvbiBvZiBaaWNjbHNt IGRvZXNuJ3QgZXhwbGljaXRseSBzdGF0ZSB0aGF0IG1pc2FsaWduZWQgd29yZAphY2Nlc3NlcyB3 aWxsIGJlIGZhc3RlciB0aGFuIGJ5dGUgYWNjZXNzZXMgdG8gdGhlIHNhbWUgYWRkcmVzc2VzLiBU aGVyZSdzCmFsc28gdGhpcyBzcGVjIGlzc3VlWzFdIHdoaWNoIGFwcGVhcnMgdG8gc3RhdGUgdGhh dCBaaWNjbHNtIGNhbm5vdCBiZSB1c2VkCnRvIGluZmVyIGZhc3QgbWlzYWxpZ25lZCBhY2Nlc3Nl cy4KCkJ1dCwgbGlrZSBDaGFybGllIHN1Z2dlc3RzLCBtYXliZSB3ZSBzaG91bGQgYWR2b2NhdGUg dGhlIGNyZWF0aW9uIG9mIGFuCmV4dGVuc2lvbiAob3IgIm5hbWVkIGZlYXR1cmUiKSB3aGljaCBh bGxvd3Mgc3BlY2lmaWNhbGx5IGFkdmVydGlzaW5nIHRoYXQKbWlzYWxpZ25lZCBhY2Nlc3NlcyBh cmUgZmFzdC4KClsxXSBodHRwczovL2dpdGh1Yi5jb20vcmlzY3YvcmlzY3YtaXNhLW1hbnVhbC9p c3N1ZXMvMTYxMQoKVGhhbmtzLApkcmV3Cgo+IAo+IFJlZ2FyZHMsCj4gQW51cAo+IAo+ID4KPiA+ IChJJ2QgYmUgaGFwcHkgdG8gc3BsaXQgdGhlIGZpeGVzIGZyb20gdGhlIG5ldyBza2lwIHN1cHBv cnQgaWYgd2Ugd2FudCB0bwo+ID4gZGlzY3VzcyB0aGUgc2tpcCBzdXBwb3J0IGluZGVwZW5kZW50 bHksIGJ1dCBJIHdhbnQgdG8gYmFzZSBvbiB0aGUgZml4ZXMKPiA+IGFuZCBJJ20gbm90IHN1cmUg aWYgcGF0Y2h3b3JrIHN1cHBvcnRzIEJhc2VkLW9uOiAkTUVTU0FHRV9JRC8kTE9SRV9VUkwKPiA+ IG9yIG5vdCBhdCB0aGUgbW9tZW50LCBzbyBJJ20ganVzdCBwb3N0aW5nIHRvZ2V0aGVyIGZvciBu b3cgaW4gb3JkZXIgdG8KPiA+IGJlIGFibGUgdG8gY2hlY2sgZm9yIG15IHBhdGNod29yayBncmVl biBsaWdodHMhKQo+ID4KPiA+IFRoYW5rcywKPiA+IGRyZXcKPiA+Cj4gPiBBbmRyZXcgSm9uZXMg KDkpOgo+ID4gICByaXNjdjogQW5ub3RhdGUgdW5hbGlnbmVkIGFjY2VzcyBpbml0IGZ1bmN0aW9u cwo+ID4gICByaXNjdjogRml4IHJpc2N2X29ubGluZV9jcHVfdmVjCj4gPiAgIHJpc2N2OiBGaXgg Y2hlY2tfdW5hbGlnbmVkX2FjY2Vzc19hbGxfY3B1cwo+ID4gICByaXNjdjogQ2hhbmdlIGNoZWNr X3VuYWxpZ25lZF9hY2Nlc3Nfc3BlZWRfYWxsX2NwdXMgdG8gdm9pZAo+ID4gICByaXNjdjogRml4 IHNldCB1cCBvZiBjcHUgaG90cGx1ZyBjYWxsYmFja3MKPiA+ICAgcmlzY3Y6IEZpeCBzZXQgdXAg b2YgdmVjdG9yIGNwdSBob3RwbHVnIGNhbGxiYWNrCj4gPiAgIHJpc2N2OiBQcmVwYXJlIGZvciB1 bmFsaWduZWQgYWNjZXNzIHR5cGUgdGFibGUgbG9va3Vwcwo+ID4gICByaXNjdjogSW1wbGVtZW50 IGNoZWNrX3VuYWxpZ25lZF9hY2Nlc3NfdGFibGUKPiA+ICAgcmlzY3Y6IEFkZCBWZW50YW5hIHVu YWxpZ25lZCBhY2Nlc3MgdGFibGUgZW50cmllcwo+ID4KPiA+ICBhcmNoL3Jpc2N2L2luY2x1ZGUv YXNtL2NwdWZlYXR1cmUuaCAgICAgICAgfCAgIDQgKy0KPiA+ICBhcmNoL3Jpc2N2L2luY2x1ZGUv YXNtL3ZlbmRvcmlkX2xpc3QuaCAgICAgfCAgIDEgKwo+ID4gIGFyY2gvcmlzY3Yva2VybmVsL3Ry YXBzX21pc2FsaWduZWQuYyAgICAgICB8ICAxNCArLQo+ID4gIGFyY2gvcmlzY3Yva2VybmVsL3Vu YWxpZ25lZF9hY2Nlc3Nfc3BlZWQuYyB8IDI3OCArKysrKysrKysrKysrKy0tLS0tLS0KPiA+ICA0 IGZpbGVzIGNoYW5nZWQsIDIwMCBpbnNlcnRpb25zKCspLCA5NyBkZWxldGlvbnMoLSkKPiA+Cj4g PiAtLQo+ID4gMi40OC4xCj4gPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1yaXNjdgo=