From: Jiri Slaby <jirislaby@gmail.com>
Date: Sun, 15 Feb 2009 21:46:45 +0000 (+0100)
Subject: x86_64: Fix S3 fail path
X-Git-Tag: v2.6.29-rc6~9^2^4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6defa2fe2019f3729933516fba5cfd75eecd07de;p=pandora-kernel.git

x86_64: Fix S3 fail path

As acpi_enter_sleep_state can fail, take this into account in
do_suspend_lowlevel and don't return to the do_suspend_lowlevel's
caller. This would break (currently) fpu status and preempt count.

Technically, this means use `call' instead of `jmp' and `jmp' to
the `resume_point' after the `call' (i.e. if
acpi_enter_sleep_state returns=fails). `resume_point' will handle
the restore of fpu and preempt count gracefully.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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