On Sun, 23 May 2010 20:47:46 +0100
Russell King - ARM Linux wrote:
> Let me explain again. We have this series of actions:
>
> - in userspace
> - exception happens
> - cpu disables interrupts itself
> - save state
> - enable interrupts, and tell lockdep that IRQs are unmasked
> - we process the
Chan Jeong wrote:
Hi,
This patch series adds LZO decompression support to Squashfs,
using in-kernel LZO decompression library and Squashfs
decompressor entries.
The patch series also includes LZO support for Squashfs tools.
Signed-off-by: Chan Jeong
Hi Chan
Thanks for the patches. How m
On Sun, May 23, 2010 at 11:07:50PM +0800, Ming Lei wrote:
> 2010/5/23 Russell King - ARM Linux :
> > On Sun, May 23, 2010 at 09:44:20PM +0800, Ming Lei wrote:
> >> 2010/5/23 Russell King - ARM Linux :
> >> >> ENTRY(ret_to_user)
> >> >> ret_slow_syscall:
> >> >> - disable_irq
2010/5/23 Russell King - ARM Linux :
> On Sun, May 23, 2010 at 09:44:20PM +0800, Ming Lei wrote:
>> 2010/5/23 Russell King - ARM Linux :
>> >> ENTRY(ret_to_user)
>> >> ret_slow_syscall:
>> >> - disable_irq @ disable interrupts
>> >> + disable_irq_notrace
On Sun, May 23, 2010 at 09:44:20PM +0800, Ming Lei wrote:
> 2010/5/23 Russell King - ARM Linux :
> >> ENTRY(ret_to_user)
> >> ret_slow_syscall:
> >> - disable_irq @ disable interrupts
> >> + disable_irq_notrace @ disable interrupts
>
2010/5/23 Russell King - ARM Linux :
>> ENTRY(ret_to_user)
>> ret_slow_syscall:
>> - disable_irq @ disable interrupts
>> + disable_irq_notrace @ disable interrupts
>
> I think this one does need to be traced - the pending work functi
On Sun, May 23, 2010 at 07:48:48PM +0800, tom.leim...@gmail.com wrote:
> diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
> index 2c1db77..ed471a7 100644
> --- a/arch/arm/kernel/entry-common.S
> +++ b/arch/arm/kernel/entry-common.S
> @@ -58,7 +58,7 @@ work_resched:
> *
From: Ming Lei
This patch fixes the 'unannotated irqs-on' lockdep warning[1]:
This patch introduces macro of trace_ret_hardirqs_on, which will
call trace_hardirqs_on if I flag in the stored CPSR is zero.
In the path of returning to user-space, the patch replaces disable_irq
with disable_irq_not
