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76c31f239e
linux/arch/powerpc/platforms
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Vitaly Mayatskikh 76c31f239e powerpc: Honor O_NONBLOCK flag when reading RTAS log 
rtas_log_read() doesn't check file flags for O_NONBLOCK and blocks
non-blocking readers of /proc/ppc64/rtas/error_log when there is
no data available. This fixes it.

Also rtas_log_read() returns now with ENODATA to prevent suspending of
process in wait_event_interruptible() when logging facility was
switched off and log is already empty.

Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-10-07 14:26:21 +11:00
..
8xx powerpc: Add support for the MPC852 based mgsuvd board from keymile. 2008-09-16 10:01:30 -05:00
40x
44x powerpc/44x: Add AMCC Arches eval board support 2008-10-02 13:08:02 -04:00
52xx powerpc: Remove use of CONFIG_PPC_MERGE 2008-08-04 13:18:17 +10:00
82xx powerpc: Add support for mpc8247 based board MGCOGE from keymile. 2008-09-16 10:01:32 -05:00
83xx powerpc/fsl: proliferate simple-bus compatibility to soc nodes 2008-07-29 17:48:35 -05:00
85xx powerpc: Drop redundant machine type print in show_cpuinfo 2008-09-29 09:23:06 -05:00
86xx powerpc: Correct USB support for GE Fanuc SBC610 2008-09-29 09:25:47 -05:00
512x
cell powerpc: Drop archdata numa_node 2008-09-24 16:26:43 -05:00
chrp powerpc: Use bcd2bin/bin2bcd 2008-08-20 16:34:58 +10:00
embedded6xx powerpc: Drop redundant machine type print in show_cpuinfo 2008-09-29 09:23:06 -05:00
iseries powerpc: Use LOAD_REG_IMMEDIATE only for constants on 64-bit 2008-09-15 11:08:35 -07:00
maple powerpc: Use bcd2bin/bin2bcd 2008-08-20 16:34:58 +10:00
pasemi
powermac powerpc: Make the 64-bit kernel as a position-independent executable 2008-09-15 11:08:38 -07:00
prep
ps3 powerpc: Drop archdata numa_node 2008-09-24 16:26:43 -05:00
pseries powerpc: Honor O_NONBLOCK flag when reading RTAS log 2008-10-07 14:26:21 +11:00
fsl_uli1575.c
Kconfig powerpc: Move 8xxx GPIO Kconfig under the platform menu 2008-09-23 23:36:32 -05:00
Kconfig.cputype POWERPC: Allow 32-bit hashed pgtable code to support 36-bit physical 2008-09-24 16:29:44 -05:00
Makefile powerpc: Remove use of CONFIG_PPC_MERGE 2008-08-04 13:18:17 +10:00