David S. Miller a6c4c1c505 sparc64: Make prom entry spinlock NMI safe. ...

[ Upstream commit 8a4fd1e492 ]

If we do something like try to print to the OF console from an NMI
while we're already in OpenFirmware, we'll deadlock on the spinlock.

Use a raw spinlock and disable NMIs when we take it.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2010-04-01 15:58:16 -07:00

..

bootstr_32.c

sparc: prepare prom/ for unification

2008-12-04 09:17:16 -08:00

bootstr_64.c

sparc,sparc64: unify prom/

2008-12-04 09:17:17 -08:00

cif.S

sparc,sparc64: unify prom/

2008-12-04 09:17:17 -08:00

console_32.c

sparc: prepare prom/ for unification

2008-12-04 09:17:16 -08:00

console_64.c

sparc,sparc64: unify prom/

2008-12-04 09:17:17 -08:00

devmap.c

…

devops_32.c

sparc: prepare prom/ for unification

2008-12-04 09:17:16 -08:00

devops_64.c

sparc,sparc64: unify prom/

2008-12-04 09:17:17 -08:00

init_32.c

sparc: move EXPORT_SYMBOL to the symbols definition

2009-01-08 16:58:05 -08:00

init_64.c

sparc,sparc64: unify prom/

2008-12-04 09:17:17 -08:00

Makefile

sparc: Use sparc64 version of prom/printf.c

2008-12-08 01:00:14 -08:00

memory.c

…

misc_32.c

sparc: move EXPORT_SYMBOL to the symbols definition

2009-01-08 16:58:05 -08:00

misc_64.c

sparc64: Fix bootup with mcount in some configs.

2009-09-04 03:39:45 -07:00

mp.c

…

p1275.c

sparc64: Make prom entry spinlock NMI safe.

2010-04-01 15:58:16 -07:00

palloc.c

…

printf.c

sparc64: Fix bootup with mcount in some configs.

2009-09-04 03:39:45 -07:00

ranges.c

sparc: move EXPORT_SYMBOL to the symbols definition

2009-01-08 16:58:05 -08:00

segment.c

…

tree_32.c

sparc: Eliminate PROMLIB_INTERNAL as it does nothing

2009-01-08 16:59:01 -08:00

tree_64.c

sparc: Kill exports of prom internal functions

2009-01-08 16:58:42 -08:00