[SeaBIOS] [PATCH 0/2] Improve reboot races during post and reboot

[Xulei (Stone)]

>This is a follow up to an email chain that in November:
>
>  http://www.seabios.org/pipermail/seabios/2015-November/009887.html
>
>It was possible for the SeaBIOS code to get confused if an external
>reboot request occurs while seabios is already in the process of
>handling a boot or reboot.
>
>This two patch series attempts to make the SeaBIOS reboot code more
>robust.  With these patches the code maintains an invariant - if
>HaveRunPost is false then the BIOS code will be in a pristine state
>and it is okay to run the "post" boot logic; if HaveRunPost is true
>then the reboot logic must be run before starting the "post" boot
>logic.  The reboot handler should always return the BIOS code to a
>pristine state prior to clearing HaveRunPost.

Kevin, thanks for your patch. I've tested yesterday for several days.
And it works very well solving all the reset racing problems i've met.
>
>-Kevin
>
>
>Kevin O'Connor (2):
>  resume: Make KVM soft reboot loop detection more flexible
>  post: Always set HaveRunPost prior to setting any other global
>    variable
>
> src/fw/csm.c    |  1 +
> src/fw/shadow.c | 17 +++++++++++++++--
> src/fw/xen.c    |  1 +
> src/post.c      | 20 ++++++++++++++++----
> src/resume.c    |  9 ---------
> src/util.h      |  1 +
> 6 files changed, 34 insertions(+), 15 deletions(-)
>
>--
>2.5.0
>