From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 40610C43458 for ; Wed, 8 Jul 2026 20:58:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:Cc:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=f7vG7gBsCG3hPsRqUzrYzLl8lk0mADgS/LEjnHvWJzE=; b=tCdZ9Pf6Mw+Vhq B5advVN/DKexxLiWvk74kdYoC65dHNAsZfoQ6LmOF3hM+jZe3VdmyGdsKXONwJVuED8Axc2MVlwdp 2k+G/+TWNSjn4NmCfQgkj739L73QjtXBhGsjrEruBUlWe+/GyP0KRy43Cv5tUeOAtnMSPynAAdgp5 ifFes06K8bmp+LKzajB3tHUR1wHQ6njIRiKTtUoWmpFpR7NvudNIBiU0VX7PHO2/0cCkCjNjx575k O1lqKilE4WIF+IDDEicBJzdxJ5hKHE81ehdzQG/7VsZ83Je/QQ4LEvz9E+W7TUVUIvCharRsOg2vS aAq8bRMIf77Ek6iMIv4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whZLZ-00000000P8u-2HzE; Wed, 08 Jul 2026 20:58:21 +0000 Received: from xs1.mindbit.ro ([80.86.107.70] helo=mail.mindbit.ro) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1whZLW-00000000P7n-25Wc; Wed, 08 Jul 2026 20:58:19 +0000 Received: from bat.kanata.rendec.net (unknown [24.114.111.125]) by mail.mindbit.ro (Postfix) with ESMTPSA id 16270C3449; Wed, 8 Jul 2026 23:57:54 +0300 (EEST) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.mindbit.ro 16270C3449 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rendec.net; s=default; t=1783544296; bh=hJBHj3v5/Gy9cfslRHy86J9BqBTgDtn5Jmjc8wTF3Qk=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=ASe5j6xgqpQoGzd8fN2p0AV5mCM1uJJHCeUg2Rlxt6R3B/rFXg4YDm9qyballB0nF MeA/AN3+LNtRqPRnWZ4RGvlOENBWHlzAAxkuy1RqiTPYNETGIv1etVCKTLohwMPCoB NT/6RCbGnbqh9lOdElft3AHTFq8jVQMEygtI/j0tzDA/4gvnPpYZvymBxJHR3zU5cs Ryz4Il9J/Fs/gye2m6KRNK1BfV12o1cIIRYuxI4bkUCt9PsJIjMYawd5vkU/JPUcgj eyZA8hvZdnwNhc4mJqzKcQusbBCBJYXxbEKsRMMMd2jYEyC+qotSrdgXnQbdMbEvhN tyu/tFqF5098Q== Message-ID: Subject: Re: [patch 07/18] s390/syscall: Use enter_from_user_mode_randomize_stack() From: Radu Rendec To: Thomas Gleixner , LKML Cc: Peter Zijlstra , Sven Schnelle , linux-s390@vger.kernel.org, Michael Ellerman , Shrikanth Hegde , linuxppc-dev@lists.ozlabs.org, Kees Cook , Huacai Chen , loongarch@lists.linux.dev, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, x86@kernel.org, Mark Rutland , Jinjie Ruan , Andy Lutomirski , Oleg Nesterov , Richard Henderson , Russell King , Catalin Marinas , Guo Ren , Geert Uytterhoeven , Thomas Bogendoerfer , Helge Deller , Yoshinori Sato , Richard Weinberger , Chris Zankel , linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, Arnd Bergmann , Vineet Gupta , Will Deacon , Brian Cain , Michal Simek , Dinh Nguyen , "David S. Miller" , Andreas Larsson , linux-snps-arc@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-openrisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, Michal =?ISO-8859-1?Q?Such=E1nek?= , Jonathan Corbet , linux-doc@vger.kernel.org Date: Wed, 08 Jul 2026 16:57:51 -0400 In-Reply-To: <20260707190254.030598804@kernel.org> References: <20260707181957.433213175@kernel.org> <20260707190254.030598804@kernel.org> User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260708_135818_710154_CDFA637C X-CRM114-Status: GOOD ( 11.63 ) 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 T24gVHVlLCAyMDI2LTA3LTA3IGF0IDIxOjA2ICswMjAwLCBUaG9tYXMgR2xlaXhuZXIgd3JvdGU6 Cj4gZW50ZXJfZnJvbV91c2VyX21vZGVfcmFuZG9taXplX3N0YWNrKCkgcmVwbGFjZXMgZW50ZXJf ZnJvbV91c2VyX21vZGUoKSBhbmQKPiB0aGUgc3Vic2VxdWVudCBpbnZvY2F0aW9uIG9mIGFkZF9y YW5kb21fa3N0YWNrX29mZnNldF9pcnFzb2ZmKCkuCj4gCj4gQXMgYSBib251cyB0aGlzIGF2b2lk cyB0aGUgb3ZlcmhlYWQgb2YgZ2V0L3B1dF9jcHVfdmFyKCkgaW4KPiBhZGRfcmFuZG9tX2tzdGFj a19vZmZzZXQoKS4KPiAKPiBObyBmdW5jdGlvbmFsIGNoYW5nZS4KPiAKPiBTaWduZWQtb2ZmLWJ5 OiBUaG9tYXMgR2xlaXhuZXIgPHRnbHhAa2VybmVsLm9yZz4KPiBDYzogU3ZlbiBTY2huZWxsZSA8 c3ZlbnNAbGludXguaWJtLmNvbT4KPiBDYzogbGludXgtczM5MEB2Z2VyLmtlcm5lbC5vcmcKPiAt LS0KPiDCoGFyY2gvczM5MC9rZXJuZWwvc3lzY2FsbC5jIHzCoMKgwqAgNCArKy0tCj4gwqAxIGZp bGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IC0tLSBhL2Fy Y2gvczM5MC9rZXJuZWwvc3lzY2FsbC5jCj4gKysrIGIvYXJjaC9zMzkwL2tlcm5lbC9zeXNjYWxs LmMKPiBAQCAtOTcsOCArOTcsOCBAQCB2b2lkIG5vaW5zdHIgX19kb19zeXNjYWxsKHN0cnVjdCBw dF9yZWdzCj4gwqB7Cj4gwqAJdW5zaWduZWQgbG9uZyBucjsKPiDCoAo+IC0JZW50ZXJfZnJvbV91 c2VyX21vZGUocmVncyk7Cj4gLQlhZGRfcmFuZG9tX2tzdGFja19vZmZzZXQoKTsKPiArCWVudGVy X2Zyb21fdXNlcl9tb2RlX3JhbmRvbWl6ZV9zdGFjayhyZWdzKTsKPiArCj4gwqAJcmVncy0+cHN3 ID0gZ2V0X2xvd2NvcmUoKS0+c3ZjX29sZF9wc3c7Cj4gwqAJcmVncy0+aW50X2NvZGUgPSBnZXRf bG93Y29yZSgpLT5zdmNfaW50X2NvZGU7Cj4gwqAJdXBkYXRlX3RpbWVyX3N5cygpOwoKUmV2aWV3 ZWQtYnk6IFJhZHUgUmVuZGVjIDxyYWR1QHJlbmRlYy5uZXQ+CgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKbGlu dXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==