Re: [Qemu-devel] [PATCH] linux-user: set minimum uname for RISC-V

[Palmer Dabbelt]

On Tue, 24 Apr 2018 09:03:29 PDT (-0700), alex.ben...@linaro.org wrote:
As support was merged into the mainline kernel at 4.15 it is unlikely
3.8.0 is the correct value. Indeed when I testing binaries created by
the current Debian SID compiler the tests failed with:
  FATAL: kernel too old

Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
---
 linux-user/riscv/target_syscall.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/riscv/target_syscall.h 
b/linux-user/riscv/target_syscall.h
index d4e109a27f..ee81d8bc88 100644
--- a/linux-user/riscv/target_syscall.h
+++ b/linux-user/riscv/target_syscall.h
@@ -45,7 +45,7 @@ struct target_pt_regs {
 #else
 #define UNAME_MACHINE "riscv64"
 #endif
-#define UNAME_MINIMUM_RELEASE "3.8.0"
+#define UNAME_MINIMUM_RELEASE "4.15.0"

 #define TARGET_MINSIGSTKSZ 2048
 #define TARGET_MLOCKALL_MCL_CURRENT 1

If I understand this correctly, this will make host kernels older than 4.15.0 
look like 4.15.0 when a program running in user-mode emulation on a RISC-V 
system?  I think that's the correct thing to do, so if that's the case then 
feel free to add a

   Reviewed-by: Palmer Dabbelt <pal...@sifive.com>

if that helps any.

Thanks!