[RESEND] Re: [PATCH 00/12] Add sadump format support

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For whatever reason, the archived version of my response was completely
screwed up:

  https://www.redhat.com/archives/crash-utility/2011-September/msg00001.html

So the digest version will probably be borked as well...

This was my response:

----- Original Message -----
> Hello Dave,
>
> I'm sorry for taking considerably long time. Now I post a patch set
> implementing sadump support for crash utility.
>
> Applying this patch set, crash utility will be able to recognize
> sadump-related formats on 3 kinds configurations: single partition,
> diskset and media backup file.
>
> The crash version the patch set can be applied to is 5.1.7.
>
> Please look at each patch description for detailed explanation.

Hello Daisuke,

The patch-set looks good, and the changes to the common code are
nicely segregated.

But let's simplify things.  I'd prefer to avoid all of these constructs:

   if (!(pc->flags & DUMPFILE_TYPES) && !(pc->flags2 & SADUMP))
           ...
   if ((pc->flags & MEMORY_SOURCES) || (pc->flags2 & MEMORY_SOURCES2))
        ...

Can you move the REMOTE_DAEMON bit from pc->flags to the next available
pc->flags2 bit, and then change these four references appropriately:
  
  C symbol: REMOTE_DAEMON
  
    File   Function             Line
  0 defs.h <global>              145 #define REMOTE_DAEMON (0x200ULL)
  1 defs.h REMOTE                206 #define REMOTE() (pc->flags & REMOTE_DAEMON)
  2 main.c main                  375 pc->flags |= REMOTE_DAEMON;
  3 main.c dump_program_context 1084 if (pc->flags & REMOTE_DAEMON)

Then you can make SADUMP equal to 0x200ULL, and put it in pc->flags,
DUMPFILE_TYPES and MEMORY_SOURCES.  That will signficantly simplify
the patch-set.

> BTW, do you want sadump dumpfiles? I geuss you need them for testing
> samples.

Definitely -- but please make them as small as possible, and you can
send me the dumpfile-access details privately if you prefer.

Depending upon how quickly you can create an updated patchset, I may defer
this to crash-5.1.9 because I'm just about to release 5.1.8.

Thanks,
  Dave
 

  

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