-----Original Message-----
> Add a common feature for architectures to retrieve AX_PHYSMEM_BITS
> from vmcoreinfo, which was added by kernel commit 1d50e5d0c505 ("
> crash_core, vmcoreinfo: Append 'MAX_PHYSMEM_BITS' to vmcoreinfo").
> This makes makedumpfile adaptable for future MAX_PHYSMEM_BITS changes.
>
> Also ensure backward compatibility for kernel versions in which
> MAX_PHYSMEM_BITS is not available in vmcoreinfo.
>
> Signed-off-by: Youling Tang <tangyouling@xxxxxxxxxxx>
> ---
> arch/mips64.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/arch/mips64.c b/arch/mips64.c
> index c968082..d541c3e 100644
> --- a/arch/mips64.c
> +++ b/arch/mips64.c
> @@ -35,9 +35,14 @@ get_phys_base_mips64(void)
> int
> get_machdep_info_mips64(void)
> {
> - info->max_physmem_bits = _MAX_PHYSMEM_BITS;
> info->section_size_bits = _SECTION_SIZE_BITS;
>
> + /* Check if we can get MAX_PHYSMEM_BITS from vmcoreinfo */
> + if (NUMBER(MAX_PHYSMEM_BITS) != NOT_FOUND_NUMBER)
> + info->max_physmem_bits = NUMBER(MAX_PHYSMEM_BITS);
> + else
> + info->max_physmem_bits = _MAX_PHYSMEM_BITS;
> +
> DEBUG_MSG("max_physmem_bits : %lx\n", info->max_physmem_bits);
> DEBUG_MSG("section_size_bits: %lx\n", info->section_size_bits);
>
> --
> 2.1.0
Thanks, I've edited the commit message a bit and applied:
https://github.com/makedumpfile/makedumpfile/commit/974a507447e8d77df3a1e759cc569768372bfb8e
Kazu
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