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[109.252.192.17]) by smtp.googlemail.com with ESMTPSA id c133sm2473422lfd.92.2020.11.03.00.43.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Nov 2020 00:43:11 -0800 (PST) Subject: Re: [PATCH v1] ARM: vfp: Use long jump to fix THUMB2 kernel compilation error To: Ard Biesheuvel , Russell King - ARM Linux admin References: <202010211637.7CFD8435@keescook> <773fbdb0-5fc4-ab39-e72d-89845faa4c6d@gmail.com> <202010212028.32E8A5EF9B@keescook> <1d2e2b5d-3035-238c-d2ca-14c0c209a6a1@gmail.com> <20201022161118.GP1551@shell.armlinux.org.uk> <20201022162334.GQ1551@shell.armlinux.org.uk> <20201022174826.GS1551@shell.armlinux.org.uk> From: Dmitry Osipenko Message-ID: Date: Tue, 3 Nov 2020 11:43:10 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201103_034314_361701_A775D06B X-CRM114-Status: GOOD ( 22.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kees Cook , Nick Desaulniers , Linux Kernel Mailing List , clang-built-linux , Ingo Molnar , Linux ARM 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 MDMuMTEuMjAyMCAxMDoyNCwgQXJkIEJpZXNoZXV2ZWwg0L/QuNGI0LXRgjoKPiBTdGlsbCBicm9r ZW4gdG9kYXkKPiAKPiBodHRwczovL2tlcm5lbGNpLm9yZy9idWlsZC9pZC81ZmEwYzFhNzRiZGIx ZWE0MDYzZmU3ZTQvCj4gCj4gU28gdGhlIG9wdGlvbnMgYXJlCj4gCj4gYSkgbWVyZ2UgbXkgcGF0 Y2ggdGhhdCBhZGRzIDIgYnl0ZXMgb2Ygb3Bjb2RlIHRvIHRoZSBUaHVtYjIgYnVpbGQKPiBiKSBt ZXJnZSBEbWl0cnkncyBwYXRjaCB0aGF0IGFkZHMgYW4gdW5jb25kaXRpb25hbCBsaXRlcmFsIGxv YWQgdG8gYWxsIGJ1aWxkcwo+IGMpIHJlbW92ZSBrZXJuZWwgbW9kZSBoYW5kbGluZyBmcm9tIHZm cF9zdXBwb3J0X2VudHJ5KCkgW215IG90aGVyIHBhdGNoXQo+IGQpIG1vdmUgc2VjdGlvbnMgYXJv dW5kIHNvIHRoYXQgdmZwX2ttb2RlX2V4Y2VwdGlvbiBpcyBndWFyYW50ZWVkIHRvCj4gYmUgaW4g cmFuZ2UuCj4gZSkgZG8gbm90aGluZwo+IAo+IEdpdmVuIHRoZSBsYWNrIG9mIHJlcG9ydHMgYWJv dXQgdGhpcyBpc3N1ZSwgaXQgaXMgcHJldHR5IGNsZWFyIHRoYXQKPiBmZXcgcGVvcGxlIHVzZSB0 aGUgVGh1bWIyIGJ1aWxkICh3aGljaCBJIGZpbmQgb2RkLCB0YmgsIHNpbmNlIGl0Cj4gcmVhbGx5 IGlzIG11Y2ggc21hbGxlcikuCgpJIHdhaXRlZCBmb3IgYWJvdXQgYSBtb250aCwgaG9waW5nIHRo YXQgc29tZWJvZHkgd2lsbCBmaXggdGhpcyBwcm9ibGVtCmJlZm9yZSBib3RoZXJpbmcgd2l0aCBi aXNlY3Rpb24sIHdoaWNoIHRvb2sgcXVpdGUgc29tZSB0aW1lIGFuZCBlZmZvcnQKYmVjYXVzZSBp bnRlcm1lZGlhdGUgY29tbWl0cyB3ZXJlIGJyb2tlbiwgYW5kIHRoZW4gd2l0aCBjcmVhdGluZyBh bmQKc2VuZGluZyBhIHBhdGNoIDopCgpUaHVtYjIgdXN1YWxseSBpcyB1bnRlc3RlZCBieSBDSSBm YXJtcyBhbmQgaW4gYSBjYXNlIG9mIHBlcnNvbmFsIHVzZQppdCdzIGVhc2llciB0byB3YWl0IGZv ciBhIGZpeC4gSGVuY2Ugbm8gbXVjaCByZXBvcnRzLCBJIHN1cHBvc2UuCgo+IEhvd2V2ZXIsIHRo YXQgbWVhbnMgdGhhdCBhKSBpcyBhIHJlYXNvbmFibGUKPiBmaXgsIHNpbmNlIG5vYm9keSB3aWxs IG5vdGljZSB0aGUgcG90ZW50aWFsIHBlcmZvcm1hbmNlIGhpdCBlaXRoZXIsCj4gYW5kIGl0IGNh biBlYXNpbHkgYmUgYmFja3BvcnRlZCB0byB3aGVyZXZlciB0aGUgYnJlYWthZ2Ugd2FzCj4gaW50 cm9kdWNlZC4gKE5vdGUgdGhhdCBlZmY4NzI4ZmU2OTgsIHdoaWNoIGNyZWF0ZWQgdGhlIHByb2Js ZW0gaXMKPiBtYXJrZWQgY2M6c3RhYmxlIGl0c2VsZikuCgpUaGUgcGVyZm9ybWFuY2UgYXJndW1l bnQgaXMgcXVlc3Rpb25hYmxlIHRvIG1lLCB0byBiZSBob25lc3QuIEluCnByYWN0aWNlIHRoZSBw ZXJmb3JtYW5jZSBkaWZmZXJlbmNlIHNob3VsZCBiZSBhYnNvbHV0ZWx5IG5lZ2xpZ2libGUgZm9y CmVpdGhlciBvZiB0aGUgcHJvcG9zZWQgb3B0aW9ucywgaXQgc2hvdWxkIHN0YXkgaW4gYSBub2lz ZSBldmVuIGlmCnNvbWVib2R5IHRob3JvdWdobHkgY291bnRpbmcgY3ljbGVzLCBJTU8uCgpJJ20g c3RpbGwgdGhpbmtpbmcgdGhhdCB0aGUgYmVzdCBvcHRpb24gd2lsbCBiZSB0byBhcHBseSBhKS4K Cj4gR29pbmcgZm9yd2FyZCwgSSBjYW4gcmVmaW5lIGQpIHNvIHRoYXQgd2UgY2FuIGdldCByaWQg b2YgdGhlIGtlcm5lbAo+IG1vZGUgcGF0aCBlbnRpcmVseS4KCkFuZCB0aGVuIGltcHJvdmUgaXQg dXNpbmcgZCkuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1hcm0ta2VybmVsCg==