d.
If folks are OK w/ the 'smp' patch it probably should go in some core
kernel tree. The kgdb patch won't work without it, though, so to land
that we'd need coordination between the folks landing that and the
folks landing the 'smp' patch.
Douglas Anderson (7):
se
with a
deadlock of its own.
Signed-off-by: Douglas Anderson
---
kernel/smp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kernel/smp.c b/kernel/smp.c
index 163c451af42e..bb581e58c8dc 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -19,6 +19,7 @@
#include
#include
le() calls from all of the kgdb_roundup_cpus() calls.
Signed-off-by: Douglas Anderson
---
arch/arc/kernel/kgdb.c | 4 +---
arch/arm/kernel/kgdb.c | 4 +---
arch/arm64/kernel/kgdb.c | 4 +---
arch/hexagon/kernel/kgdb.c | 11 ++-
arch/mips/kernel/kgdb.c| 4 +---
arch/p
to. Specifically:
* For arch/arc we passed NULL to kgdb_nmicallback() instead of
get_irq_regs().
* For arch/mips there was a bit of extra code around
kgdb_nmicallback()
Suggested-by: Daniel Thompson
Signed-off-by: Douglas Anderson
---
Changes in v2:
- Removing irq flags separated fr
separated from fixing lockdep splat.
- Don't use smp_call_function (Daniel).
Douglas Anderson (2):
kgdb: Remove irq flags from roundup
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
arch/arc/kernel/kgdb.c | 10 ++
arch/arm/kernel/kgdb.c | 12
st did local_irq_enable() and local_irq_disable() without
looking at them. So we can definitely remove the flags.
Signed-off-by: Douglas Anderson
---
Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
arch/arc/kernel/kgdb.c | 2 +-
arch/arm/kernel/kgdb.c | 2 +-
arch
irq flags separated from fixing lockdep splat.
- Removing irq flags separated from fixing lockdep splat.
- Don't use smp_call_function (Daniel).
Douglas Anderson (4):
kgdb: Remove irq flags from roundup
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
kgdb: Don
st did local_irq_enable() and local_irq_disable() without
looking at them. So we can definitely remove the flags.
Signed-off-by: Douglas Anderson
---
Changes in v3: None
Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
arch/arc/kernel/kgdb.c | 2 +-
arch/arm/kernel/kgdb.c
try to round it up
again and potentially hang when we try to grab the csd lock. That's
not new behavior but we'll still try to do better in a future patch.
Suggested-by: Daniel Thompson
Signed-off-by: Douglas Anderson
---
Changes in v3:
- No separate init call.
- Don't round
Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
- Don't use smp_call_function (Daniel).
Douglas Anderson (4):
kgdb: Remove irq flags from roundup
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
kgdb: Don't round up a CPU that failed roun
st did local_irq_enable() and local_irq_disable() without
looking at them. So we can definitely remove the flags.
Signed-off-by: Douglas Anderson
---
Changes in v4: None
Changes in v3: None
Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
arch/arc/kernel/kgdb.c | 2 +-
ar
try to round it up
again and potentially hang when we try to grab the csd lock. That's
not new behavior but we'll still try to do better in a future patch.
Suggested-by: Daniel Thompson
Signed-off-by: Douglas Anderson
---
Changes in v4: None
Changes in v3:
- No separate init call.
- D
st did local_irq_enable() and local_irq_disable() without
looking at them. So we can definitely remove the flags.
Signed-off-by: Douglas Anderson
Acked-by: Will Deacon
---
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2:
- Removing irq flags separated from fixing lockdep
try to round it up
again and potentially hang when we try to grab the csd lock. That's
not new behavior but we'll still try to do better in a future patch.
Suggested-by: Daniel Thompson
Signed-off-by: Douglas Anderson
---
Changes in v5:
- Add a comment about get_irq_regs().
- get_c
uot;failed to roundup" case.
- Document the ignored parameter.
- Don't round up a CPU that failed rounding up before new for v3.
- Don't back trace on a cpu that didn't round up new for v3.
Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
- Don't use
n v2:
- Removing irq flags separated from fixing lockdep splat.
- Don't use smp_call_function (Daniel).
Douglas Anderson (4):
kgdb: Remove irq flags from roundup
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
kgdb: Don't round up a CPU that failed rounding
st did local_irq_enable() and local_irq_disable() without
looking at them. So we can definitely remove the flags.
Signed-off-by: Douglas Anderson
Acked-by: Will Deacon
---
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2:
- Removing irq flags separated from
try to round it up
again and potentially hang when we try to grab the csd lock. That's
not new behavior but we'll still try to do better in a future patch.
Suggested-by: Daniel Thompson
Signed-off-by: Douglas Anderson
---
Changes in v6:
- Moved smp_call_function_single_async() erro
st did local_irq_enable() and local_irq_disable() without
looking at them. So we can definitely remove the flags.
Signed-off-by: Douglas Anderson
Cc: Vineet Gupta
Cc: Russell King
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Richard Kuo
Cc: Ralf Baechle
Cc: Paul Burton
Cc: James Hogan
Cc: Be
ce on a cpu that didn't round up new for v3.
Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
- Don't use smp_call_function (Daniel).
Douglas Anderson (4):
kgdb: Remove irq flags from roundup
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_functio
try to round it up
again and potentially hang when we try to grab the csd lock. That's
not new behavior but we'll still try to do better in a future patch.
Suggested-by: Daniel Thompson
Signed-off-by: Douglas Anderson
Cc: Vineet Gupta
Cc: Russell King
Cc: Catalin Marinas
Cc: Will
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