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Fri, 25 Jan 2019 11:02:03 -0800 (PST) Date: Fri, 25 Jan 2019 11:02:03 -0800 (PST) X-Google-Original-Date: Fri, 25 Jan 2019 10:58:41 PST (-0800) Subject: Re: [RFC PATCH 0/3] RV64G eBPF JIT In-Reply-To: From: Palmer Dabbelt To: bjorn.topel@gmail.com Message-ID: Mime-Version: 1.0 (MHng) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190125_110205_769180_9F53939D X-CRM114-Status: GOOD ( 20.83 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christoph Hellwig , netdev@vger.kernel.org, linux-riscv@lists.infradead.org, daniel@iogearbox.net, davidlee@sifive.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org T24gVHVlLCAxNSBKYW4gMjAxOSAwODowMzoxOCBQU1QgKC0wODAwKSwgYmpvcm4udG9wZWxAZ21h aWwuY29tIHdyb3RlOgo+IERlbiB0aXMgMTUgamFuLiAyMDE5IGtsIDE2OjQwIHNrcmV2IENocmlz dG9waCBIZWxsd2lnIDxoY2hAaW5mcmFkZWFkLm9yZz46Cj4+Cj4+IEhpIEJqw7ZybiwKPj4KPj4g YXQgbGVhc3QgZm9yIG1lIHBhdGNoIDMgZGlkbid0IG1ha2UgaXQgdG8gdGhlIGxpc3QuCj4+Cj4K PiBIbW0sIGhlbGQgYmFjazogIllvdXIgbWVzc2FnZSB0byBsaW51eC1yaXNjdiBhd2FpdHMgbW9k ZXJhdG9yCj4gYXBwcm92YWwiLiBFeGNlZWRlZCB0aGUgNDBrIGxpbWl0Lgo+Cj4gSSdsbCB3YWl0 IHVudGlsIHRoZSBtb2RlcmF0b3Igd2FrZXMgdXAgKFBhbG1lcj8pLgoKU29ycnksIGl0IHRvb2sg bWUgYSB3aGlsZSB0byB3YWtlIHVwIDopCgo+Cj4KPiBCasO2cm4KPgo+PiBPbiBUdWUsIEphbiAx NSwgMjAxOSBhdCAwOTozNToxNUFNICswMTAwLCBCasO2cm4gVMO2cGVsIHdyb3RlOgo+PiA+IEhp IQo+PiA+Cj4+ID4gSSd2ZSBiZWVuIGhhY2tpbmcgb24gYSBSVjY0RyBlQlBGIEpJVCBjb21waWxl ciwgYW5kIHdvdWxkIGxpa2Ugc29tZQo+PiA+IGZlZWRiYWNrLgo+PiA+Cj4+ID4gQ29kZXdpc2Us IGl0IG5lZWRzIHNvbWUgcmVmYWN0b3JpbmcuIEN1cnJlbnRseSB0aGVyZSdzIGEgYml0IHRvbyBt dWNoCj4+ID4gY29weS1hbmQtcGFzdGUgZ29pbmcgb24sIGFuZCBJIGtub3cgc29tZSBwbGFjZXMg d2hlcmUgSSBjb3VsZCBvcHRpbWl6ZQo+PiA+IHRoZSBjb2RlIGdlbmVyYXRpb24gYSBiaXQgKG1v c3RseSBCUEZfSyB0eXBlIG9mIGluc3RydWN0aW9ucywgZGVhbGluZwo+PiA+IHdpdGggaW1tZWRp YXRlcykuCj4+ID4KPj4gPiBGcm9tIGEgZmVhdHVyZXMgcGVyc3BlY3RpdmUsIHR3byB0aGluZ3Mg YXJlIG1pc3Npbmc6Cj4+ID4KPj4gPiAqIHRhaWwgY2FsbHMKPj4gPiAqICJmYXItYnJhbmNoZXMi LCBpLmUuIGNvbmRpdGlvbmFsIGJyYW5jaGVzIHRoYXQgcmVhY2ggYmV5b25kIDEzYi4KPj4gPgo+ PiA+IFRoZSB0ZXN0X2JwZi5rbyAob25seSB0ZXN0ZWQgb24gNC4yMCEpIHBhc3NlcyBhbGwgdGVz dHMuCj4+ID4KPj4gPiBJJ3ZlIGRvbmUgYWxsIHRoZSB0ZXN0cyBvbiBRRU1VICh2ZXJzaW9uIDMu MS41MCksIHNvIG5vIHJlYWwgaGFyZHdhcmUuCj4+ID4KPj4gPiBTb21lIHF1ZXN0aW9ucy9vYnNl cnZhdGlvbnM6Cj4+ID4KPj4gPiAqIEkndmUgYWRkZWQgIkhBVkVfRUZGSUNJRU5UX1VOQUxJR05F RF9BQ0NFU1MiIHRvCj4+ID4gICBhcmNoL3Jpc2N2L0tjb25maWcuIElzIHRoaXMgYXNzdW1wdGlv biBjb3JyZWN0Pwo+PiA+Cj4+ID4gKiBlbWl0X2ltbSgpIGp1c3QgcmVsaWVzIG9uIGx1aSwgYWRk cyBhbmQgc2hpZnRzLiBObyBmYW5jeSB4b3JpIGNvc3QKPj4gPiAgIG9wdGltaXphdGlvbnMgbGlr ZSBHQ0MgZG9lcy4KPj4gPgo+PiA+ICogU3VnZ2VzdGlvbnMgb24gaG93IHRvIGltcGxlbWVudCB0 aGUgdGFpbCBjYWxsLCBnaXZlbiB0aGF0IHRoZQo+PiA+ICAgcHJvbG9ndWUvZXBpbG9ndWUgaGFz IHZhcmlhYmxlIHNpemUuIEkgd2lsbCBkaWcgaW50byB0aGUgZGV0YWlscyBvZgo+PiA+ICAgbWlw cy9hcm02NC94ODYuIDotKQo+PiA+Cj4+ID4gTmV4dCBzdGVwcyAocHJpb3IgcGF0Y2ggcHJvcGVy KSBpcyBjbGVhbmluZyB1cCB0aGUgY29kZSwgYWRkIHRhaWwKPj4gPiBjYWxscywgYW5kIG1ha2lu ZyBzdXJlIHRoYXQgYnBmdG9vbCBkaXNhc3NlbWJseSB3b3JrcyBjb3JyZWN0bHkuCj4+ID4KPj4g PiBBbGwgaW5wdXQgYXJlIHdlbGNvbWUuIFRoaXMgaXMgbXkgZmlyc3QgUklTQy1WIGhhY2ssIHNv IEkgc3VyZSB0aGVyZQo+PiA+IGFyZSBhIGxvdCB0aGluZ3MgdG8gaW1wcm92ZSEKPj4gPgo+PiA+ Cj4+ID4gVGhhbmtzLAo+PiA+IEJqw7Zybgo+PiA+Cj4+ID4KPj4gPiBCasO2cm4gVMO2cGVsICgz KToKPj4gPiAgIHJpc2N2OiBzZXQgSEFWRV9FRkZJQ0lFTlRfVU5BTElHTkVEX0FDQ0VTUwo+PiA+ ICAgcmlzY3Y6IGFkZCBidWlsZCBpbmZyYSBmb3IgSklUIGNvbXBpbGVyCj4+ID4gICBicGYsIHJp c2N2OiBhZGRlZCBlQlBGIEpJVCBmb3IgUlY2NEcKPj4gPgo+PiA+ICBhcmNoL3Jpc2N2L0tjb25m aWcgICAgICAgICAgICB8ICAgIDIgKwo+PiA+ICBhcmNoL3Jpc2N2L01ha2VmaWxlICAgICAgICAg ICB8ICAgIDQgKwo+PiA+ICBhcmNoL3Jpc2N2L25ldC9NYWtlZmlsZSAgICAgICB8ICAgIDUgKwo+ PiA+ICBhcmNoL3Jpc2N2L25ldC9icGZfaml0X2NvbXAuYyB8IDE2MTIgKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrCj4+ID4gIDQgZmlsZXMgY2hhbmdlZCwgMTYyMyBpbnNlcnRpb25z KCspCj4+ID4gIGNyZWF0ZSBtb2RlIDEwMDY0NCBhcmNoL3Jpc2N2L25ldC9NYWtlZmlsZQo+PiA+ ICBjcmVhdGUgbW9kZSAxMDA2NDQgYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21wLmMKPj4gPgo+ PiA+IC0tCj4+ID4gMi4xOS4xCj4+ID4KPj4gPgo+PiA+IF9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCj4+ID4gbGludXgtcmlzY3YgbWFpbGluZyBsaXN0Cj4+ ID4gbGludXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwo+PiA+IGh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YKPj4gLS0tZW5kIHF1b3RlZCB0 ZXh0LS0tCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwps aW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKbGludXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==