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From: Xiaofeng Yuan <xiaofengmian@163.com>
To: pjw@kernel.org
Cc: palmer@dabbelt.com, aou@eecs.berkeley.edu, namcao@linutronix.de,
	alex@ghiti.fr, broonie@kernel.org,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	Xiaofeng Yuan <xiaofengmian@163.com>
Subject: [PATCH v2 1/2] riscv: mm: make EXECMEM_KPROBES writable without CONFIG_STRICT_MODULE_RWX
Date: Sun, 19 Jul 2026 08:10:35 +0000	[thread overview]
Message-ID: <20260719081037.5749-2-xiaofengmian@163.com> (raw)
In-Reply-To: <20260719081037.5749-1-xiaofengmian@163.com>

...

Signed-off-by: Xiaofeng Yuan <xiaofengmian@163.com>
---
v2: use CONFIG_STRICT_MODULE_RWX instead of CONFIG_ARCH_HAS_EXECMEM_ROX (per Nam Cao's review)

 arch/riscv/mm/init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 5b1b3c88b4..7951d72a12 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -1457,7 +1457,9 @@ struct execmem_info __init *execmem_arch_setup(void)
 			[EXECMEM_KPROBES] = {
 				.start	= VMALLOC_START,
 				.end	= VMALLOC_END,
-				.pgprot	= PAGE_KERNEL_READ_EXEC,
+				.pgprot	= IS_ENABLED(CONFIG_STRICT_MODULE_RWX) ?
+					  PAGE_KERNEL_READ_EXEC :
+					  PAGE_KERNEL_EXEC,
 				.alignment = 1,
 			},
 			[EXECMEM_BPF] = {
-- 
2.43.0


WARNING: multiple messages have this Message-ID (diff)
From: Xiaofeng Yuan <xiaofengmian@163.com>
To: pjw@kernel.org
Cc: palmer@dabbelt.com, aou@eecs.berkeley.edu, namcao@linutronix.de,
	alex@ghiti.fr, broonie@kernel.org,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	Xiaofeng Yuan <xiaofengmian@163.com>
Subject: [PATCH v2 1/2] riscv: mm: make EXECMEM_KPROBES writable without CONFIG_STRICT_MODULE_RWX
Date: Sun, 19 Jul 2026 08:10:35 +0000	[thread overview]
Message-ID: <20260719081037.5749-2-xiaofengmian@163.com> (raw)
In-Reply-To: <20260719081037.5749-1-xiaofengmian@163.com>

...

Signed-off-by: Xiaofeng Yuan <xiaofengmian@163.com>
---
v2: use CONFIG_STRICT_MODULE_RWX instead of CONFIG_ARCH_HAS_EXECMEM_ROX (per Nam Cao's review)

 arch/riscv/mm/init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 5b1b3c88b4..7951d72a12 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -1457,7 +1457,9 @@ struct execmem_info __init *execmem_arch_setup(void)
 			[EXECMEM_KPROBES] = {
 				.start	= VMALLOC_START,
 				.end	= VMALLOC_END,
-				.pgprot	= PAGE_KERNEL_READ_EXEC,
+				.pgprot	= IS_ENABLED(CONFIG_STRICT_MODULE_RWX) ?
+					  PAGE_KERNEL_READ_EXEC :
+					  PAGE_KERNEL_EXEC,
 				.alignment = 1,
 			},
 			[EXECMEM_BPF] = {
-- 
2.43.0


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  reply	other threads:[~2026-07-19  8:11 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-19  8:10 [PATCH v2 0/2] riscv: fix kprobes on minimal kernel configs Xiaofeng Yuan
2026-07-19  8:10 ` Xiaofeng Yuan
2026-07-19  8:10 ` Xiaofeng Yuan [this message]
2026-07-19  8:10   ` [PATCH v2 1/2] riscv: mm: make EXECMEM_KPROBES writable without CONFIG_STRICT_MODULE_RWX Xiaofeng Yuan
2026-07-19  8:18   ` Nam Cao
2026-07-19  8:18     ` Nam Cao
2026-07-19  8:10 ` [PATCH v2 2/2] riscv: patch: skip fixmap mapping when kernel text is already writable Xiaofeng Yuan
2026-07-19  8:10   ` Xiaofeng Yuan
2026-07-19  8:25   ` Nam Cao
2026-07-19  8:25     ` Nam Cao

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