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From: Xianting Tian <xianting.tian@linux.alibaba.com>
To: paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alexandre.ghiti@canonical.com,
	guoren@kernel.org, anup@brainfault.org, mick@ics.forth.gr,
	rppt@kernel.org, heiko@sntech.de
Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	huanyi.xj@alibaba-inc.com,
	Xianting Tian <xianting.tian@linux.alibaba.com>
Subject: [PATCH V3 2/2] riscv: Add modules to virtual kernel memory layout dump
Date: Thu, 14 Jul 2022 19:33:00 +0800	[thread overview]
Message-ID: <20220714113300.367854-3-xianting.tian@linux.alibaba.com> (raw)
In-Reply-To: <20220714113300.367854-1-xianting.tian@linux.alibaba.com>

Modules always live before the kernel, MODULES_END is fixed but
MODULES_VADDR isn't fixed, it depends on the kernel size.
Let's add it to virtual kernel memory layout dump.

As MODULES is only defined for CONFIG_64BIT, so we dump it when
CONFIG_64BIT=y.

eg,
MODULES_VADDR - MODULES_END
0xffffffff01133000 - 0xffffffff80000000

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
---
 arch/riscv/mm/init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index d466ec670e1f..2c4a64e97aec 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -135,6 +135,10 @@ static void __init print_vm_layout(void)
 		(unsigned long)VMEMMAP_END);
 	print_ml("vmalloc", (unsigned long)VMALLOC_START,
 		(unsigned long)VMALLOC_END);
+#ifdef CONFIG_64BIT
+	print_ml("modules", (unsigned long)MODULES_VADDR,
+		(unsigned long)MODULES_END);
+#endif
 	print_ml("lowmem", (unsigned long)PAGE_OFFSET,
 		(unsigned long)high_memory);
 	if (IS_ENABLED(CONFIG_64BIT)) {
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Xianting Tian <xianting.tian@linux.alibaba.com>
To: paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alexandre.ghiti@canonical.com,
	guoren@kernel.org, anup@brainfault.org, mick@ics.forth.gr,
	rppt@kernel.org, heiko@sntech.de
Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	huanyi.xj@alibaba-inc.com,
	Xianting Tian <xianting.tian@linux.alibaba.com>
Subject: [PATCH V3 2/2] riscv: Add modules to virtual kernel memory layout dump
Date: Thu, 14 Jul 2022 19:33:00 +0800	[thread overview]
Message-ID: <20220714113300.367854-3-xianting.tian@linux.alibaba.com> (raw)
In-Reply-To: <20220714113300.367854-1-xianting.tian@linux.alibaba.com>

Modules always live before the kernel, MODULES_END is fixed but
MODULES_VADDR isn't fixed, it depends on the kernel size.
Let's add it to virtual kernel memory layout dump.

As MODULES is only defined for CONFIG_64BIT, so we dump it when
CONFIG_64BIT=y.

eg,
MODULES_VADDR - MODULES_END
0xffffffff01133000 - 0xffffffff80000000

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
---
 arch/riscv/mm/init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index d466ec670e1f..2c4a64e97aec 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -135,6 +135,10 @@ static void __init print_vm_layout(void)
 		(unsigned long)VMEMMAP_END);
 	print_ml("vmalloc", (unsigned long)VMALLOC_START,
 		(unsigned long)VMALLOC_END);
+#ifdef CONFIG_64BIT
+	print_ml("modules", (unsigned long)MODULES_VADDR,
+		(unsigned long)MODULES_END);
+#endif
 	print_ml("lowmem", (unsigned long)PAGE_OFFSET,
 		(unsigned long)high_memory);
 	if (IS_ENABLED(CONFIG_64BIT)) {
-- 
2.17.1


_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-riscv

  parent reply	other threads:[~2022-07-14 11:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-14 11:32 [PATCH V3 0/2] Improve vmcoreinfo and memory layout dump Xianting Tian
2022-07-14 11:32 ` Xianting Tian
2022-07-14 11:32 ` [PATCH V3 1/2] RISC-V: Add arch_crash_save_vmcoreinfo support Xianting Tian
2022-07-14 11:32   ` Xianting Tian
2022-07-14 11:33 ` Xianting Tian [this message]
2022-07-14 11:33   ` [PATCH V3 2/2] riscv: Add modules to virtual kernel memory layout dump Xianting Tian

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