From: Conor Dooley <conor.dooley@microchip.com>
To: Deepak Gupta <debug@rivosinc.com>
Cc: <paul.walmsley@sifive.com>, <rick.p.edgecombe@intel.com>,
<broonie@kernel.org>, <Szabolcs.Nagy@arm.com>,
<kito.cheng@sifive.com>, <keescook@chromium.org>,
<ajones@ventanamicro.com>, <cleger@rivosinc.com>,
<atishp@atishpatra.org>, <alex@ghiti.fr>, <bjorn@rivosinc.com>,
<alexghiti@rivosinc.com>, <samuel.holland@sifive.com>,
<palmer@sifive.com>, <conor@kernel.org>,
<linux-doc@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-mm@kvack.org>, <linux-arch@vger.kernel.org>,
<linux-kselftest@vger.kernel.org>, <corbet@lwn.net>,
<tech-j-ext@lists.risc-v.org>, <palmer@dabbelt.com>,
<aou@eecs.berkeley.edu>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>, <oleg@redhat.com>,
<akpm@linux-foundation.org>, <arnd@arndb.de>,
<ebiederm@xmission.com>, <Liam.Howlett@oracle.com>,
<vbabka@suse.cz>, <lstoakes@gmail.com>, <shuah@kernel.org>,
<brauner@kernel.org>, <andy.chiu@sifive.com>,
<jerry.shih@sifive.com>, <hankuan.chen@sifive.com>,
<greentime.hu@sifive.com>, <evan@rivosinc.com>,
<xiao.w.wang@intel.com>, <charlie@rivosinc.com>,
<apatel@ventanamicro.com>, <mchitale@ventanamicro.com>,
<dbarboza@ventanamicro.com>, <sameo@rivosinc.com>,
<shikemeng@huaweicloud.com>, <willy@infradead.org>,
<vincent.chen@sifive.com>, <guoren@kernel.org>,
<samitolvanen@google.com>, <songshuaishuai@tinylab.org>,
<gerg@kernel.org>, <heiko@sntech.de>, <bhe@redhat.com>,
<jeeheng.sia@starfivetech.com>, <cyy@cyyself.name>,
<maskray@google.com>, <ancientmodern4@gmail.com>,
<mathis.salmen@matsal.de>, <cuiyunhui@bytedance.com>,
<bgray@linux.ibm.com>, <mpe@ellerman.id.au>, <baruch@tkos.co.il>,
<alx@kernel.org>, <david@redhat.com>, <catalin.marinas@arm.com>,
<revest@chromium.org>, <josh@joshtriplett.org>,
<shr@devkernel.io>, <deller@gmx.de>, <omosnace@redhat.com>,
<ojeda@kernel.org>, <jhubbard@nvidia.com>
Subject: Re: [PATCH v2 04/27] riscv: zicfiss/zicfilp enumeration
Date: Fri, 29 Mar 2024 07:24:57 +0000 [thread overview]
Message-ID: <20240329-condition-morse-c3d02720853a@wendy> (raw)
In-Reply-To: <20240329044459.3990638-5-debug@rivosinc.com>
[-- Attachment #1: Type: text/plain, Size: 1091 bytes --]
On Thu, Mar 28, 2024 at 09:44:36PM -0700, Deepak Gupta wrote:
> Adds description in dt-bindings (extensions.yaml)
>
> This patch adds support for detecting zicfiss and zicfilp. zicfiss and zicfilp
> stands for unprivleged integer spec extension for shadow stack and branch
> tracking on indirect branches, respectively.
>
> This patch looks for zicfiss and zicfilp in device tree and accordinlgy lights
> up bit in cpu feature bitmap. Furthermore this patch adds detection utility
> functions to return whether shadow stack or landing pads are supported by
> cpu.
>
> Signed-off-by: Deepak Gupta <debug@rivosinc.com>
> ---
> .../devicetree/bindings/riscv/extensions.yaml | 10 ++++++++++
Checkpatch should have told you that bindings changes need to be in
separate patches.
Thanks,
Conor.
> arch/riscv/include/asm/cpufeature.h | 13 +++++++++++++
> arch/riscv/include/asm/hwcap.h | 2 ++
> arch/riscv/include/asm/processor.h | 1 +
> arch/riscv/kernel/cpufeature.c | 2 ++
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
next prev parent reply other threads:[~2024-03-29 7:26 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 4:44 [PATCH v2 00/27] riscv control-flow integrity for usermode Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 01/27] riscv: envcfg save and restore on task switching Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 02/27] riscv: define default value for envcfg Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 03/27] riscv/Kconfig: enable HAVE_EXIT_THREAD for riscv Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 04/27] riscv: zicfiss/zicfilp enumeration Deepak Gupta
2024-03-29 5:08 ` Stefan O'Rear
2024-03-29 5:13 ` Deepak Gupta
2024-03-29 7:24 ` Conor Dooley [this message]
2024-03-29 4:44 ` [PATCH v2 05/27] riscv: zicfiss/zicfilp extension csr and bit definitions Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 06/27] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 07/27] mm: Define VM_SHADOW_STACK for RISC-V Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 08/27] mm: abstract shadow stack vma behind `arch_is_shadow_stack` Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 09/27] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 10/27] riscv mm: manufacture shadow stack pte Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 11/27] riscv mmu: teach pte_mkwrite to manufacture shadow stack PTEs Deepak Gupta
2024-03-29 5:15 ` Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 12/27] riscv mmu: write protect and shadow stack Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 13/27] riscv/mm: Implement map_shadow_stack() syscall Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 14/27] riscv/shstk: If needed allocate a new shadow stack on clone Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 15/27] prctl: arch-agnostic prctl for shadow stack Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 16/27] prctl: arch-agnostic prtcl for indirect branch tracking Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 17/27] riscv: Implements arch agnostic shadow stack prctls Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 18/27] riscv: Implements arch argnostic indirect branch tracking prctls Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 19/27] riscv/kernel: update __show_regs to print shadow stack register Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 20/27] riscv/traps: Introduce software check exception Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 21/27] riscv sigcontext: adding cfi state field in sigcontext Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 22/27] riscv signal: Save and restore of shadow stack for signal Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 23/27] riscv/ptrace: riscv cfi status and state via ptrace and in core files Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 24/27] riscv: create a config for shadow stack and landing pad instr support Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 25/27] riscv: Documentation for landing pad / indirect branch tracking Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 26/27] riscv: Documentation for shadow stack on riscv Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 27/27] kselftest/riscv: kselftest for user mode cfi Deepak Gupta
2024-03-29 19:50 ` Muhammad Usama Anjum
2024-03-29 20:02 ` Deepak Gupta
2024-04-01 9:46 ` Muhammad Usama Anjum
2024-04-01 17:34 ` Deepak Gupta
2024-04-01 17:55 ` Deepak Gupta
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240329-condition-morse-c3d02720853a@wendy \
--to=conor.dooley@microchip.com \
--cc=Liam.Howlett@oracle.com \
--cc=Szabolcs.Nagy@arm.com \
--cc=ajones@ventanamicro.com \
--cc=akpm@linux-foundation.org \
--cc=alex@ghiti.fr \
--cc=alexghiti@rivosinc.com \
--cc=alx@kernel.org \
--cc=ancientmodern4@gmail.com \
--cc=andy.chiu@sifive.com \
--cc=aou@eecs.berkeley.edu \
--cc=apatel@ventanamicro.com \
--cc=arnd@arndb.de \
--cc=atishp@atishpatra.org \
--cc=baruch@tkos.co.il \
--cc=bgray@linux.ibm.com \
--cc=bhe@redhat.com \
--cc=bjorn@rivosinc.com \
--cc=brauner@kernel.org \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=charlie@rivosinc.com \
--cc=cleger@rivosinc.com \
--cc=conor@kernel.org \
--cc=corbet@lwn.net \
--cc=cuiyunhui@bytedance.com \
--cc=cyy@cyyself.name \
--cc=david@redhat.com \
--cc=dbarboza@ventanamicro.com \
--cc=debug@rivosinc.com \
--cc=deller@gmx.de \
--cc=devicetree@vger.kernel.org \
--cc=ebiederm@xmission.com \
--cc=evan@rivosinc.com \
--cc=gerg@kernel.org \
--cc=greentime.hu@sifive.com \
--cc=guoren@kernel.org \
--cc=hankuan.chen@sifive.com \
--cc=heiko@sntech.de \
--cc=jeeheng.sia@starfivetech.com \
--cc=jerry.shih@sifive.com \
--cc=jhubbard@nvidia.com \
--cc=josh@joshtriplett.org \
--cc=keescook@chromium.org \
--cc=kito.cheng@sifive.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-riscv@lists.infradead.org \
--cc=lstoakes@gmail.com \
--cc=maskray@google.com \
--cc=mathis.salmen@matsal.de \
--cc=mchitale@ventanamicro.com \
--cc=mpe@ellerman.id.au \
--cc=ojeda@kernel.org \
--cc=oleg@redhat.com \
--cc=omosnace@redhat.com \
--cc=palmer@dabbelt.com \
--cc=palmer@sifive.com \
--cc=paul.walmsley@sifive.com \
--cc=revest@chromium.org \
--cc=rick.p.edgecombe@intel.com \
--cc=robh+dt@kernel.org \
--cc=sameo@rivosinc.com \
--cc=samitolvanen@google.com \
--cc=samuel.holland@sifive.com \
--cc=shikemeng@huaweicloud.com \
--cc=shr@devkernel.io \
--cc=shuah@kernel.org \
--cc=songshuaishuai@tinylab.org \
--cc=tech-j-ext@lists.risc-v.org \
--cc=vbabka@suse.cz \
--cc=vincent.chen@sifive.com \
--cc=willy@infradead.org \
--cc=xiao.w.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox