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Message-ID: <9dcd47faf6f5ebeb56703b0a5036ee173fa0595e.camel@intel.com> Date: Mon, 3 Oct 2022 20:33:42 +0000 From: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com> To: "keescook@...omium.org" <keescook@...omium.org> CC: "mtk.manpages@...il.com" <mtk.manpages@...il.com>, "bsingharora@...il.com" <bsingharora@...il.com>, "hpa@...or.com" <hpa@...or.com>, "Syromiatnikov, Eugene" <esyr@...hat.com>, "peterz@...radead.org" <peterz@...radead.org>, "rdunlap@...radead.org" <rdunlap@...radead.org>, "Yu, Yu-cheng" <yu-cheng.yu@...el.com>, "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>, "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>, "Eranian, Stephane" <eranian@...gle.com>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "fweimer@...hat.com" <fweimer@...hat.com>, "nadav.amit@...il.com" <nadav.amit@...il.com>, "jannh@...gle.com" <jannh@...gle.com>, "dethoma@...rosoft.com" <dethoma@...rosoft.com>, "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>, "kcc@...gle.com" <kcc@...gle.com>, "bp@...en8.de" <bp@...en8.de>, "oleg@...hat.com" <oleg@...hat.com>, "hjl.tools@...il.com" <hjl.tools@...il.com>, "Yang, Weijiang" <weijiang.yang@...el.com>, "Lutomirski, Andy" <luto@...nel.org>, "pavel@....cz" <pavel@....cz>, "arnd@...db.de" <arnd@...db.de>, "Moreira, Joao" <joao.moreira@...el.com>, "tglx@...utronix.de" <tglx@...utronix.de>, "mike.kravetz@...cle.com" <mike.kravetz@...cle.com>, "x86@...nel.org" <x86@...nel.org>, "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>, "jamorris@...ux.microsoft.com" <jamorris@...ux.microsoft.com>, "john.allen@....com" <john.allen@....com>, "rppt@...nel.org" <rppt@...nel.org>, "mingo@...hat.com" <mingo@...hat.com>, "Shankar, Ravi V" <ravi.v.shankar@...el.com>, "corbet@....net" <corbet@....net>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-api@...r.kernel.org" <linux-api@...r.kernel.org>, "gorcunov@...il.com" <gorcunov@...il.com> Subject: Re: [PATCH v2 07/39] x86/cet: Add user control-protection fault handler On Mon, 2022-10-03 at 11:04 -0700, Kees Cook wrote: > On Thu, Sep 29, 2022 at 03:29:04PM -0700, Rick Edgecombe wrote: > > [...] > > -#ifdef CONFIG_X86_KERNEL_IBT > > +#if defined(CONFIG_X86_KERNEL_IBT) || > > defined(CONFIG_X86_SHADOW_STACK) > > This pattern is repeated several times. Perhaps there needs to be a > CONFIG_X86_CET to make this more readable? Really just a style > question. Hmm, good idea. Thanks.
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