linux-kernel - Re: [PATCH v6 33/33] kselftest/riscv: kselftest for user mode cfi

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Message-ID: <Zwj7aZj36TBGzpZa@finisterre.sirena.org.uk>
Date: Fri, 11 Oct 2024 11:18:17 +0100
From: Mark Brown <broonie@...nel.org>
To: Zong Li <zong.li@...ive.com>
Cc: Deepak Gupta <debug@...osinc.com>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Christian Brauner <brauner@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Eric Biederman <ebiederm@...ssion.com>, Kees Cook <kees@...nel.org>,
	Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org,
	alistair.francis@....com, richard.henderson@...aro.org,
	jim.shu@...ive.com, andybnac@...il.com, kito.cheng@...ive.com,
	charlie@...osinc.com, atishp@...osinc.com, evan@...osinc.com,
	cleger@...osinc.com, alexghiti@...osinc.com,
	samitolvanen@...gle.com, rick.p.edgecombe@...el.com
Subject: Re: [PATCH v6 33/33] kselftest/riscv: kselftest for user mode cfi

On Fri, Oct 11, 2024 at 01:44:55PM +0800, Zong Li wrote:
> On Wed, Oct 9, 2024 at 7:46 AM Deepak Gupta <debug@...osinc.com> wrote:

> > +       if (si->si_code == SEGV_CPERR) {

> Hi Deepak,
> I got some errors when building this test, I suppose they should be
> fixed in the next version.

> riscv_cfi_test.c: In function 'sigsegv_handler':
> riscv_cfi_test.c:17:28: error: 'SEGV_CPERR' undeclared (first use in
> this function); did you mean 'SEGV_ACCERR'?
>    17 |         if (si->si_code == SEGV_CPERR) {
>       |                            ^~~~~~~~~~
>       |                            SEGV_ACCERR
> 

Did you run "make headers_install" prior to building kselftest to get
the current kernel's headers available for userspace builds?

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