]> err.no Git - linux-2.6/commitdiff
Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
authorLinus Torvalds <torvalds@linux-foundation.org>
Wed, 18 Jun 2008 19:55:00 +0000 (12:55 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 18 Jun 2008 19:55:00 +0000 (12:55 -0700)
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  Revert "[WATCHDOG] hpwdt: Fix NMI handling."
  [WATCHDOG] hpwdt: Add CFLAGS to get driver working
  Revert "[WATCHDOG] make watchdog/hpwdt.c:asminline_call() static"

drivers/watchdog/Makefile
drivers/watchdog/hpwdt.c

index 25b352b664d96511a2e7bae9074947f60831b7b3..8662a6b7a30b918725de2304ea0e6271339dffc0 100644 (file)
@@ -68,6 +68,7 @@ obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o
 obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o
 obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o iTCO_vendor_support.o
 obj-$(CONFIG_IT8712F_WDT) += it8712f_wdt.o
+CFLAGS_hpwdt.o += -O
 obj-$(CONFIG_HP_WATCHDOG) += hpwdt.o
 obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
 obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
index 6a63535fc04d31832304084d57f917c927b50cc6..2686f3eaeedf4c07f56eeafe21725977cd1a1ddc 100644 (file)
@@ -145,8 +145,8 @@ MODULE_DEVICE_TABLE(pci, hpwdt_devices);
 
 #define HPWDT_ARCH     32
 
-static void asminline_call(struct cmn_registers *pi86Regs,
-                          unsigned long *pRomEntry)
+asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
+                              unsigned long *pRomEntry)
 {
        asm("pushl       %ebp               \n\t"
            "movl        %esp, %ebp         \n\t"
@@ -333,8 +333,8 @@ static int __devinit detect_cru_service(void)
 
 #define HPWDT_ARCH     64
 
-static void asminline_call(struct cmn_registers *pi86Regs,
-                          unsigned long *pRomEntry)
+asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
+                              unsigned long *pRomEntry)
 {
        asm("pushq      %rbp            \n\t"
            "movq       %rsp, %rbp      \n\t"
@@ -418,20 +418,23 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
        static unsigned long rom_pl;
        static int die_nmi_called;
 
-       if (ulReason == DIE_NMI || ulReason == DIE_NMI_IPI) {
-               spin_lock_irqsave(&rom_lock, rom_pl);
-               if (!die_nmi_called)
-                       asminline_call(&cmn_regs, cru_rom_addr);
-               die_nmi_called = 1;
-               spin_unlock_irqrestore(&rom_lock, rom_pl);
-               if (cmn_regs.u1.ral != 0) {
-                       panic("An NMI occurred, please see the Integrated "
-                             "Management Log for details.\n");
-               }
+       if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI)
+               return NOTIFY_OK;
+
+       spin_lock_irqsave(&rom_lock, rom_pl);
+       if (!die_nmi_called)
+               asminline_call(&cmn_regs, cru_rom_addr);
+       die_nmi_called = 1;
+       spin_unlock_irqrestore(&rom_lock, rom_pl);
+       if (cmn_regs.u1.ral == 0) {
+               printk(KERN_WARNING "hpwdt: An NMI occurred, "
+                      "but unable to determine source.\n");
+       } else {
+               panic("An NMI occurred, please see the Integrated "
+                       "Management Log for details.\n");
        }
 
-       die_nmi_called = 0;
-       return NOTIFY_DONE;
+       return NOTIFY_STOP;
 }
 
 /*