From: Deepak Gupta <debug@rivosinc.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Christian Brauner <brauner@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Oleg Nesterov <oleg@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
Kees Cook <kees@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <shuah@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-riscv@lists.infradead.org,
devicetree@vger.kernel.org, linux-arch@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
alistair.francis@wdc.com, richard.henderson@linaro.org,
jim.shu@sifive.com, andybnac@gmail.com, kito.cheng@sifive.com,
charlie@rivosinc.com, atishp@rivosinc.com, evan@rivosinc.com,
cleger@rivosinc.com, alexghiti@rivosinc.com,
samitolvanen@google.com, broonie@kernel.org,
rick.p.edgecombe@intel.com, Deepak Gupta <debug@rivosinc.com>
Subject: [PATCH v8 22/29] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe
Date: Mon, 11 Nov 2024 12:54:07 -0800 [thread overview]
Message-ID: <20241111-v5_user_cfi_series-v8-22-dce14aa30207@rivosinc.com> (raw)
In-Reply-To: <20241111-v5_user_cfi_series-v8-0-dce14aa30207@rivosinc.com>
Adding enumeration of zicfilp and zicfiss extensions in hwprobe syscall.
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
---
arch/riscv/include/uapi/asm/hwprobe.h | 2 ++
arch/riscv/kernel/sys_hwprobe.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h
index 3af142b99f77..ca64b07927cb 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -73,6 +73,8 @@ struct riscv_hwprobe {
#define RISCV_HWPROBE_EXT_ZCMOP (1ULL << 47)
#define RISCV_HWPROBE_EXT_ZAWRS (1ULL << 48)
#define RISCV_HWPROBE_EXT_SUPM (1ULL << 49)
+#define RISCV_HWPROBE_EXT_ZICFILP (1ULL << 50)
+#define RISCV_HWPROBE_EXT_ZICFISS (1ULL << 51)
#define RISCV_HWPROBE_KEY_CPUPERF_0 5
#define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0)
#define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0)
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 9050f3246264..716d72abec60 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -107,6 +107,8 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(ZCB);
EXT_KEY(ZCMOP);
EXT_KEY(ZICBOZ);
+ EXT_KEY(ZICFILP);
+ EXT_KEY(ZICFISS);
EXT_KEY(ZICOND);
EXT_KEY(ZIHINTNTL);
EXT_KEY(ZIHINTPAUSE);
--
2.45.0
next prev parent reply other threads:[~2024-11-11 20:55 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-11 20:53 [PATCH v8 00/29] riscv control-flow integrity for usermode Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 01/29] mm: Introduce ARCH_HAS_USER_SHADOW_STACK Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 02/29] mm: helper `is_shadow_stack_vma` to check shadow stack vma Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 03/29] dt-bindings: riscv: zicfilp and zicfiss in dt-bindings (extensions.yaml) Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 04/29] riscv: zicfiss / zicfilp enumeration Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 05/29] riscv: zicfiss / zicfilp extension csr and bit definitions Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 06/29] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 07/29] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 08/29] riscv mm: manufacture shadow stack pte Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 09/29] riscv mmu: teach pte_mkwrite to manufacture shadow stack PTEs Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 10/29] riscv mmu: write protect and shadow stack Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 11/29] riscv/mm: Implement map_shadow_stack() syscall Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 12/29] riscv/shstk: If needed allocate a new shadow stack on clone Deepak Gupta
2024-11-12 9:47 ` kernel test robot
2024-11-11 20:53 ` [PATCH v8 13/29] prctl: arch-agnostic prctl for shadow stack Deepak Gupta
2024-11-11 20:53 ` [PATCH v8 14/29] prctl: arch-agnostic prctl for indirect branch tracking Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 15/29] riscv: Implements arch agnostic shadow stack prctls Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 16/29] riscv: Implements arch agnostic indirect branch tracking prctls Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 17/29] riscv/traps: Introduce software check exception Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 18/29] riscv: signal: abstract header saving for setup_sigcontext Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 19/29] riscv/signal: save and restore of shadow stack for signal Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 20/29] riscv/kernel: update __show_regs to print shadow stack register Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 21/29] riscv/ptrace: riscv cfi status and state via ptrace and in core files Deepak Gupta
2024-11-11 20:54 ` Deepak Gupta [this message]
2024-11-11 20:54 ` [PATCH v8 23/29] riscv: Add Firmware Feature SBI extensions definitions Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 24/29] riscv: enable kernel access to shadow stack memory via FWFT sbi call Deepak Gupta
2024-11-13 3:15 ` kernel test robot
2024-11-13 16:13 ` Nick Hu
2024-11-14 1:06 ` Deepak Gupta
2024-11-14 1:20 ` Nick Hu
2024-11-14 1:25 ` Deepak Gupta
2024-11-14 6:17 ` Nick Hu
2024-11-14 15:50 ` Deepak Gupta
2024-11-15 3:19 ` Nick Hu
2024-11-11 20:54 ` [PATCH v8 25/29] riscv: kernel command line option to opt out of user cfi Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 26/29] riscv: create a config for shadow stack and landing pad instr support Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 27/29] riscv: Documentation for landing pad / indirect branch tracking Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 28/29] riscv: Documentation for shadow stack on riscv Deepak Gupta
2024-11-11 20:54 ` [PATCH v8 29/29] kselftest/riscv: kselftest for user mode cfi Deepak Gupta
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