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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Daniel Kiper <daniel.kiper@oracle.com>,
	grub-devel@gnu.org, xen-devel@lists.xenproject.org
Cc: jgross@suse.com, eric.snowberg@oracle.com,
	seth.goldberg@oracle.com, arvidjaar@gmail.com, phcoder@gmail.com
Subject: Re: [MULTIBOOT2 DOC PATCH 02/10] multiboot2: Clarify meaning of information request header tag
Date: Thu, 9 Jun 2016 22:14:02 +0100	[thread overview]
Message-ID: <cbd38c61-6b49-a01e-a1c9-afc7a6a5326c__43904.9831628383$1465506960$gmane$org@citrix.com> (raw)
In-Reply-To: <1465504244-17175-3-git-send-email-daniel.kiper@oracle.com>

On 09/06/2016 21:30, Daniel Kiper wrote:
> Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
> ---
>  doc/multiboot.texi |   20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)
>
> diff --git a/doc/multiboot.texi b/doc/multiboot.texi
> index 27e5a2f..a7e3584 100644
> --- a/doc/multiboot.texi
> +++ b/doc/multiboot.texi
> @@ -443,15 +443,19 @@ u32[n]  | mbi_tag_types     |
>  @end group
>  @end example
>  
> -@samp{mbi_tag_types} is an array of u32 each one representing an information
> -request
> -If this tag is present and @samp{optional} is set to @samp{0} information
> -conveyed by requested tag types must be present. If bootloader is unable
> -to supply this information it must fail with an error
> +@samp{mbi_tag_types} is an array of u32 each one representing an information request.

"u32's, each"

>  
> -Note: it doesn't garantee that any tags of type @samp{mbi_tag_types} will
> -actually be present. E.g. on a videoless system even if you requested tag
> -@samp{8} no tags of type @samp{8} will be present in mbi.
> +If this tag is present and @samp{optional} is set to @samp{0} bootloader must

", the bootloader"

> +support (understand meaning of) requested tag(s) and be able to provide relevant

"the requested".  I don't think you need to explain what supported
means, so I would just drop the brackets entirely.

> +information to image if it is available. If bootloader do not understand meaning

"the image".  "the bootloader does not". "the meaning".

> +of requested tag(s) it must fail with an error. However, if it support a given

"the requested".  "supports".

> +tag(s) but information conveyed by it/them is not available bootloader can do not

"a given tag(s)" is an odd way of phrasing this.  I would recommend just
"supports a given tag, but the information requested by it is".

"available, the bootloader can't provide the requested".

> +provide requested tag(s) in Multiboot information structure and proceed further.

"in the Multiboot".  What do you mean by "and proceed further" in this
case?  It also doesn't parse.  I presume you mean that it is legal for
the bootloader to not provide the requested information, but may
continue booting.

> +
> +Note: Above means that there is not guarantee that any tags of type @samp{mbi_tag_types}

"The above", "there is no guarentee"

> +will actually be present. E.g. on a videoless system even if you requested tag @samp{8}
> +and bootloader support it no tags of type @samp{8} will be present in Multiboot

"the bootloader supports it, no".  "The Multiboot".

~Andrew

> +information structure.
>  
>  
>  @node Address header tag


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  reply	other threads:[~2016-06-09 21:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1465504244-17175-1-git-send-email-daniel.kiper@oracle.com>
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 01/10] multiboot2: Remove redundant if Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 02/10] multiboot2: Clarify meaning of information request header tag Daniel Kiper
2016-06-09 21:14   ` Andrew Cooper [this message]
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 03/10] multiboot2: Fix description of EFI boot services tag Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 04/10] multiboot2: Add description of support for EFI boot services Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 05/10] multiboot2: Add description of EFI image handle tags Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 06/10] multiboot2: Add description of support for relocatable images Daniel Kiper
2016-06-09 21:36   ` Andrew Cooper
2016-06-10 17:36     ` Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 07/10] multiboot2: Say that memory maps may not be available on EFI platforms Daniel Kiper
2016-06-09 21:37   ` Andrew Cooper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 08/10] multiboot2: Add C structure alignment and padding consideration section Daniel Kiper
2016-06-09 22:07   ` Andrew Cooper
     [not found]   ` <1c1e54de-2f19-20b6-b8c8-229619b95038@citrix.com>
2016-06-10 17:58     ` Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 09/10] multiboot2: Add me to authors Daniel Kiper
2016-06-09 20:30 ` [MULTIBOOT2 DOC PATCH 10/10] multiboot2: Bump version to 2.0 Daniel Kiper
     [not found] ` <1465504244-17175-2-git-send-email-daniel.kiper@oracle.com>
2016-06-09 21:02   ` [MULTIBOOT2 DOC PATCH 01/10] multiboot2: Remove redundant if Andrew Cooper
     [not found] ` <1465504244-17175-5-git-send-email-daniel.kiper@oracle.com>
2016-06-09 21:31   ` [MULTIBOOT2 DOC PATCH 04/10] multiboot2: Add description of support for EFI boot services Andrew Cooper

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