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Message-Id: <20241029-v5_user_cfi_series-v7-25-2727ce9936cb@rivosinc.com>
Date: Tue, 29 Oct 2024 16:44:25 -0700
From: Deepak Gupta <debug@...osinc.com>
To: 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>
Cc: 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, broonie@...nel.org,
rick.p.edgecombe@...el.com, Deepak Gupta <debug@...osinc.com>
Subject: [PATCH v7 25/32] riscv/hwprobe: zicfilp / zicfiss enumeration in
hwprobe
Adding enumeration of zicfilp and zicfiss extensions in hwprobe syscall.
Signed-off-by: Deepak Gupta <debug@...osinc.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 1e153cda57db..d5c5dec9ae6c 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -72,6 +72,8 @@ struct riscv_hwprobe {
#define RISCV_HWPROBE_EXT_ZCF (1ULL << 46)
#define RISCV_HWPROBE_EXT_ZCMOP (1ULL << 47)
#define RISCV_HWPROBE_EXT_ZAWRS (1ULL << 48)
+#define RISCV_HWPROBE_EXT_ZICFILP (1ULL << 49)
+#define RISCV_HWPROBE_EXT_ZICFISS (1ULL << 50)
#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 cea0ca2bf2a2..98f72ad7124f 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);
--
2.34.1
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