On Thursday 16 August 2012, Will Deacon wrote:
> On Wed, Aug 15, 2012 at 02:03:47PM +0100, Arnd Bergmann wrote:
> > On Tuesday 14 August 2012, Catalin Marinas wrote:
> >
> > > +#ifdef CONFIG_AARCH32_EMULATION
> > > +#define compat_thumb_mode(regs) \
> > > + (((regs)->pstate & COMPAT_PSR_T_BIT))
On Wed, Aug 15, 2012 at 02:03:47PM +0100, Arnd Bergmann wrote:
> On Tuesday 14 August 2012, Catalin Marinas wrote:
>
> > +#ifdef CONFIG_AARCH32_EMULATION
> > +#define compat_thumb_mode(regs) \
> > + (((regs)->pstate & COMPAT_PSR_T_BIT))
> > +#else
> > +#define compat_thumb_mode(regs) (0)
> >
On Wed, Aug 15, 2012 at 02:03:47PM +0100, Arnd Bergmann wrote:
On Tuesday 14 August 2012, Catalin Marinas wrote:
+#ifdef CONFIG_AARCH32_EMULATION
+#define compat_thumb_mode(regs) \
+ (((regs)-pstate COMPAT_PSR_T_BIT))
+#else
+#define compat_thumb_mode(regs) (0)
+#endif
The
On Thursday 16 August 2012, Will Deacon wrote:
On Wed, Aug 15, 2012 at 02:03:47PM +0100, Arnd Bergmann wrote:
On Tuesday 14 August 2012, Catalin Marinas wrote:
+#ifdef CONFIG_AARCH32_EMULATION
+#define compat_thumb_mode(regs) \
+ (((regs)-pstate COMPAT_PSR_T_BIT))
+#else
On Tuesday 14 August 2012, Catalin Marinas wrote:
> +#ifdef CONFIG_AARCH32_EMULATION
> +#define compat_thumb_mode(regs) \
> + (((regs)->pstate & COMPAT_PSR_T_BIT))
> +#else
> +#define compat_thumb_mode(regs) (0)
> +#endif
The symbol we use on other platforms is CONFIG_COMPAT. I don't think
On Tuesday 14 August 2012, Catalin Marinas wrote:
+#ifdef CONFIG_AARCH32_EMULATION
+#define compat_thumb_mode(regs) \
+ (((regs)-pstate COMPAT_PSR_T_BIT))
+#else
+#define compat_thumb_mode(regs) (0)
+#endif
The symbol we use on other platforms is CONFIG_COMPAT. I don't think you
need
On Tue, 14 Aug 2012, Olof Johansson wrote:
> > diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
> > new file mode 100644
> > index 000..8712a8e
> > --- /dev/null
> > +++ b/arch/arm64/kernel/traps.c
> [...]
> > +DEFINE_SPINLOCK(die_lock);
>
> Should probably be static.
And
Hi,
This one is a bit denser, so just a quick first pass with a couple of minor
comments. I'll revisit the rest.
On Tue, Aug 14, 2012 at 06:52:04PM +0100, Catalin Marinas wrote:
> +el1_sp_pc:
> + /*
> + *Stack or PC alignment exception handling
> + */
> + mrs x0, far_el1
>
The patch contains the exception entry code (kernel/entry.S), pt_regs
structure and related accessors, undefined instruction trapping and
stack tracing.
AArch64 Linux kernel (including kernel threads) runs in EL1 mode using
the SP1 stack. The vectors don't have a fixed address, only alignment
The patch contains the exception entry code (kernel/entry.S), pt_regs
structure and related accessors, undefined instruction trapping and
stack tracing.
AArch64 Linux kernel (including kernel threads) runs in EL1 mode using
the SP1 stack. The vectors don't have a fixed address, only alignment
Hi,
This one is a bit denser, so just a quick first pass with a couple of minor
comments. I'll revisit the rest.
On Tue, Aug 14, 2012 at 06:52:04PM +0100, Catalin Marinas wrote:
+el1_sp_pc:
+ /*
+ *Stack or PC alignment exception handling
+ */
+ mrs x0, far_el1
+
On Tue, 14 Aug 2012, Olof Johansson wrote:
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
new file mode 100644
index 000..8712a8e
--- /dev/null
+++ b/arch/arm64/kernel/traps.c
[...]
+DEFINE_SPINLOCK(die_lock);
Should probably be static.
And RAW_
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