[RFC,V2,10/38] riscv: u64ilp32: Remove the restriction of UXL=32

Commit Message

Guo Ren Nov. 12, 2023, 6:14 a.m. UTC

From: Guo Ren <[e-mail]>

The u64ilp32 needn't hardware support UXL=32, so remove the
restriction when EF_RISCV_64ILP32 is detected.

Reported-by: Junqiang Wang <[e-mail]>
Signed-off-by: Guo Ren <[e-mail]>
Signed-off-by: Guo Ren <[e-mail]>
---
 arch/riscv/kernel/process.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index e32d737e039f..93057ca2e2a7 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -88,7 +88,7 @@  static bool compat_mode_supported __read_mostly;
 
 bool compat_elf_check_arch(Elf32_Ehdr *hdr)
 {
-	return compat_mode_supported &&
+	return (compat_mode_supported || (hdr->e_flags & EF_RISCV_64ILP32)) &&
 	       hdr->e_machine == EM_RISCV &&
 	       hdr->e_ident[EI_CLASS] == ELFCLASS32;
 }