On 09/06/18 at 01:56pm, Lianbo Jiang wrote:
> When kexec-tools load the kernel and initramfs for kdump, kexec-tools will
> read /proc/iomem and recreate the e820 ranges for kdump kernel. But it fails
> to parse the e820 reserved region, because the memcmp() is case sensitive
> when comparing the string. In fact, it may be "Reserved" or "reserved" in
> the /proc/iomem, so we have to fix these cases.
>
> Signed-off-by: Lianbo Jiang <lijiang@xxxxxxxxxx>
> ---
> kexec/arch/i386/crashdump-x86.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c
> index 437e8a8..140f45b 100644
> --- a/kexec/arch/i386/crashdump-x86.c
> +++ b/kexec/arch/i386/crashdump-x86.c
> @@ -289,6 +289,8 @@ static int get_crash_memory_ranges(struct memory_range **range, int *ranges,
> type = RANGE_PMEM;
> } else if(memcmp(str,"reserved\n",9) == 0 ) {
> type = RANGE_RESERVED;
> + } else if (memcmp(str, "Reserved\n", 9) == 0) {
> + type = RANGE_RESERVED;
> } else if (memcmp(str, "GART\n", 5) == 0) {
> gart_start = start;
> gart_end = end;
> --
> 2.17.1
>
>
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Reviewed-by: Dave Young <dyoung@xxxxxxxxxx>
Thanks
Dave
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