Re: [Xen-devel] [PATCH] docs/misc: livepatch: Espace backslash

[Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>]

On 1/13/20 10:12 PM, Julien Grall wrote:
> pandoc is currently failing to generate the pdf with the following
> error:
> ! Undefined control sequence.
> l.1048   metadata string format is: key=value\0
> 
> In this case, we want to print \0 so we need to backslash-escape the
> first character.
> 
> Interestingly pandoc will not complain when creating html and will just
> ignore \0 completely.
> 
> Fixes: 5083e0ff93 ("livepatch: Add metadata runtime retrieval mechanism")
> Signed-off-by: Julien Grall <julien@xxxxxxx>
> Cc: Pawel Wieczorkiewicz <wipawel@xxxxxxxxx>
> ---
>  docs/misc/livepatch.pandoc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/docs/misc/livepatch.pandoc b/docs/misc/livepatch.pandoc
> index 2f3f95ed37..9473ad5991 100644
> --- a/docs/misc/livepatch.pandoc
> +++ b/docs/misc/livepatch.pandoc
> @@ -739,7 +739,7 @@ The caller provides:
>     Caller *MUST* allocate enough space to be able to store all received data
>     (i.e. total allocated space *MUST* match the `metadata_total_size` value
>     provided by the hypervisor). Individual payload metadata string can be of
> -   arbitrary length. The metadata string format is: 
> key=value\0...key=value\0.
> +   arbitrary length. The metadata string format is: 
> key=value\\0...key=value\\0.
>   * `metadata_len` - Virtual address of where to write the length of each 
> metadata
>     string of the payload. Caller *MUST* allocate up to `nr` of them. Each 
> *MUST*
>     be of sizeof(uint32_t) (4 bytes).
> 

Reviewed-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>

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