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[109.252.193.186]) by smtp.googlemail.com with ESMTPSA id b12sm633663lfo.177.2020.10.21.17.00.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Oct 2020 17:00:07 -0700 (PDT) Subject: Re: [PATCH v1] ARM: vfp: Use long jump to fix THUMB2 kernel compilation error To: Kees Cook References: <20201021225737.739-1-digetx@gmail.com> <202010211637.7CFD8435@keescook> From: Dmitry Osipenko Message-ID: <773fbdb0-5fc4-ab39-e72d-89845faa4c6d@gmail.com> Date: Thu, 22 Oct 2020 03:00:06 +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: <202010211637.7CFD8435@keescook> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201021_200009_691328_0DDF8925 X-CRM114-Status: GOOD ( 23.26 ) 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: Nick Desaulniers , linux-kernel@vger.kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , linux-arm-kernel@lists.infradead.org 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 MjIuMTAuMjAyMCAwMjo0MCwgS2VlcyBDb29rINC/0LjRiNC10YI6Cj4gT24gVGh1LCBPY3QgMjIs IDIwMjAgYXQgMDE6NTc6MzdBTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtvIHdyb3RlOgo+PiBUaGUg dmZwX2ttb2RlX2V4Y2VwdGlvbigpIGZ1bmN0aW9uIG5vdyBpcyB1bnJlYWNoYWJsZSB1c2luZyBy ZWxhdGl2ZQo+PiBicmFuY2hpbmcgaW4gVEhVTUIyIGtlcm5lbCBjb25maWd1cmF0aW9uLCByZXN1 bHRpbmcgaW4gYSAicmVsb2NhdGlvbgo+PiB0cnVuY2F0ZWQgdG8gZml0OiBSX0FSTV9USE1fSlVN UDE5IGFnYWluc3Qgc3ltYm9sIGB2ZnBfa21vZGVfZXhjZXB0aW9uJyIKPj4gbGlua2VyIGVycm9y LiBMZXQncyB1c2UgbG9uZyBqdW1wIGluIG9yZGVyIHRvIGZpeCB0aGUgaXNzdWUuCj4gCj4gRWVr LiBJcyB0aGlzIHdpdGggZ2NjIG9yIGNsYW5nPwoKR0NDIDkuMy4wCgo+PiBGaXhlczogZWZmODcy OGZlNjk4ICgidm1saW51eC5sZHMuaDogQWRkIFBHTyBhbmQgQXV0b0ZETyBpbnB1dCBzZWN0aW9u cyIpCj4gCj4gQXJlIHlvdSBzdXJlIGl0IHdhc24ndCA1MTJkZDJlZWJlNTUgKCJhcm0vYnVpbGQ6 IEFkZCBtaXNzaW5nIHNlY3Rpb25zIikgPwo+IFRoYXQgY29tbWl0IG1heSBoYXZlIGltcGxpY2l0 bHkgbW92ZWQgdGhlIGxvY2F0aW9uIG9mIC52ZnAxMV92ZW5lZXIsCj4gdGhvdWdoIEkgdGhvdWdo dCBJIGhhZCBjaG9zZW4gdGhlIGNvcnJlY3QgcG9zaXRpb24uCgpJIHJlLWNoZWNrZWQgdGhhdCB0 aGUgZml4ZXMgdGFnIGlzIGNvcnJlY3QuCgo+PiBTaWduZWQtb2ZmLWJ5OiBEbWl0cnkgT3NpcGVu a28gPGRpZ2V0eEBnbWFpbC5jb20+Cj4+IC0tLQo+PiAgYXJjaC9hcm0vdmZwL3ZmcGh3LlMgfCAz ICsrLQo+PiAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+ Pgo+PiBkaWZmIC0tZ2l0IGEvYXJjaC9hcm0vdmZwL3ZmcGh3LlMgYi9hcmNoL2FybS92ZnAvdmZw aHcuUwo+PiBpbmRleCA0ZmNmZjlmNTk5NDcuLjZlMmIyOWYwYzQ4ZCAxMDA2NDQKPj4gLS0tIGEv YXJjaC9hcm0vdmZwL3ZmcGh3LlMKPj4gKysrIGIvYXJjaC9hcm0vdmZwL3ZmcGh3LlMKPj4gQEAg LTgyLDcgKzgyLDggQEAgRU5UUlkodmZwX3N1cHBvcnRfZW50cnkpCj4+ICAJbGRyCXIzLCBbc3As ICNTX1BTUl0JQCBOZWl0aGVyIGxhenkgcmVzdG9yZSBub3IgRlAgZXhjZXB0aW9ucwo+PiAgCWFu ZAlyMywgcjMsICNNT0RFX01BU0sJQCBhcmUgc3VwcG9ydGVkIGluIGtlcm5lbCBtb2RlCj4+ICAJ dGVxCXIzLCAjVVNSX01PREUKPj4gLQlibmUJdmZwX2ttb2RlX2V4Y2VwdGlvbglAIFJldHVybnMg dGhyb3VnaCBscgo+PiArCWxkcglyMSwgPXZmcF9rbW9kZV9leGNlcHRpb24KPj4gKwlieG5lCXIx CQkJQCBSZXR1cm5zIHRocm91Z2ggbHIKPj4gIAo+PiAgCVZGUEZNUlgJcjEsIEZQRVhDCQlAIElz IHRoZSBWRlAgZW5hYmxlZD8KPj4gIAlEQkdTVFIxCSJmcGV4YyAlMDh4IiwgcjEKPiAKPiBUaGlz IHNlZW1zIGxpa2UgYSB3b3JrYXJvdW5kIHRob3VnaD8gSSBzdXNwZWN0IHRoZSB2ZnAxMV92ZW5l ZXIgbmVlZHMKPiBtb3Zpbmc/Cj4gCgpJIGRvbid0IGtub3cgd2hlcmUgaXQgbmVlZHMgdG8gYmUg bW92ZWQuIFBsZWFzZSBmZWVsIGZyZWUgdG8gbWFrZSBhCnBhdGNoIGlmIHlvdSBoYXZlIGEgYmV0 dGVyIGlkZWEsIEknbGwgYmUgZ2xhZCB0byB0ZXN0IGl0LgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QK bGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRl YWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=