From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Date: Fri, 9 May 2008 06:26:35 +0000 (+0900)
Subject: [IA64] fix interrupt masking for pending works on kernel leave
X-Git-Tag: v2.6.26-rc3~29^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3633c7308005e8c1dab594f69ef904424f8b639a;p=pandora-kernel.git

[IA64] fix interrupt masking for pending works on kernel leave

[Bug-fix for "[BUG?][2.6.25-mm1] sleeping during IRQ disabled"]

This patch does:
 - enable interrupts before calling schedule() as same as others, ex. x86
 - enable interrupts during ia64_do_signal() and ia64_sync_krbs()
 - do_notify_resume_user() is still called with interrupts disabled, since
   we can take short path of fsys_mode if-statement quickly.
 - pfm_handle_work() is also called with interrupts disabled, since
   it can deal interrupt mask within itself.
 - fix/add some comments/notes

Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

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