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Re: [Xen-devel] [PATCH] kexec: allow relaxed placement specification via command line

On 30/05/16 14:48, Jan Beulich wrote:
> Rather than just allowing a fixed address or fully automatic placement,
> also allow for specifying an upper bound. Especially on EFI systems,
> where firmware memory use is commonly less predictable than on legacy
> BIOS ones, this makes success of the reservation more likely when
> automatic placement is not an option (e.g. because of special DMA
> restrictions of devices involved in actually carrying out the dump).
> Also take the opportunity to actually add text to the "crashkernel"
> entry in the command line option doc.
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> --- a/docs/misc/xen-command-line.markdown
> +++ b/docs/misc/xen-command-line.markdown
> @@ -458,7 +458,18 @@ Specify the maximum address to allocate
>  combination with the `low_crashinfo` command line option.
>  ### crashkernel
> -> `= <ramsize-range>:<size>[,...][@<offset>]`
> +> `= <ramsize-range>:<size>[,...][{@,<}<offset>]`
> +> `= <size>[{@,<}<offset>]`
> +
> +Specify sizes and optionally placement of the kexec reservation area.
> +The `<ramsize-range>:<size>' pairs indicate how much memory to set

For markdown, you need to use matching ` ` pairs for formatting the
containing text as monospace.

Other than this, Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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