[RFC,V2,38/38] 64ilp32 v.s. 64lp64

Commit Message

Guo Ren Nov. 12, 2023, 6:15 a.m. UTC

From: Guo Ren <[e-mail]>

Signed-off-by: Guo Ren <[e-mail]>
---
 arch/riscv/Kconfig            | 1 -
 arch/riscv/include/asm/page.h | 2 +-
 init/main.c                   | 2 ++
 3 files changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 5106eab17811..acd6aa60ed84 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -160,7 +160,6 @@  config RISCV
 	select THREAD_INFO_IN_TASK
 	select TRACE_IRQFLAGS_SUPPORT
 	select UACCESS_MEMCPY if !MMU
-	select ZONE_DMA32 if 64BIT
 
 config CLANG_SUPPORTS_DYNAMIC_FTRACE
 	def_bool CC_IS_CLANG
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h
index 7c535e88cf91..f9af3e6b6e21 100644
--- a/arch/riscv/include/asm/page.h
+++ b/arch/riscv/include/asm/page.h
@@ -106,7 +106,7 @@  typedef struct page *pgtable_t;
  * We override this value as its generic definition uses __pa too early in
  * the boot process (before kernel_map.va_pa_offset is set).
  */
-#define MIN_MEMBLOCK_ADDR      0
+#define MIN_MEMBLOCK_ADDR      0x60400000ULL
 #endif
 
 #ifdef CONFIG_MMU
diff --git a/init/main.c b/init/main.c
index ad920fac325c..f88f0227e398 100644
--- a/init/main.c
+++ b/init/main.c
@@ -1496,6 +1496,8 @@  static int __ref kernel_init(void *unused)
 	    !try_to_run_init_process("/bin/sh"))
 		return 0;
 
+	show_mem(0, NULL);
+
 	panic("No working init found.  Try passing init= option to kernel. "
 	      "See Linux Documentation/admin-guide/init.rst for guidance.");
 }