[PATCH v4 2/4] RISCV: Fix incorrect virtual address translation in? crashdump load

[Simon Horman]

On Thu, May 21, 2026 at 12:09:46PM +0800, luo.haiyang at zte.com.cn wrote:
> From: Luo Haiyang <luo.haiyang at zte.com.cn>
> 
> The kexec shows the following crashdump log:
> 
> Elf header: p_type = 1, p_offset = 0x80100000 p_paddr = 0x80100000 p_vaddr = 0xcff000 ...
> Elf header: p_type = 1, p_offset = 0x100000000 p_paddr = 0x100000000 p_vaddr = 0x80bff000 ...
> Elf header: p_type = 1, p_offset = 0x87ffff000 p_paddr = 0x87ffff000 p_vaddr = 0x800bfe000 ...
> 
> Obviously, phys_to_virt returns an incorrect virtual address (vaddr). On the RISC-V architecture,
> the linear address mapping is defined as:
> va = pa + kernel_map.va_pa_offset (kernel_map.va_pa_offset = PAGE_OFFSET - phys_ram_base)
> Both PAGE_OFFSET and phys_ram_base can be read from /proc/kcore.
> 
> Signed-off-by: Luo Haiyang <luo.haiyang at zte.com.cn>

Hi,

Unfortunately this patch seems to be somewhat mangled
and does not apply. Could you look into that?