From: Michael Neuling <mikey@neuling.org>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org, Ian Munsie <imunsie@au1.ibm.com>,
Matt Evans <matt@ozlabs.org>
Subject: Re: [PATCH 09/14] powerpc: Setup relocation on exceptions for bare metal systems
Date: Mon, 12 Nov 2012 13:08:59 +1100 [thread overview]
Message-ID: <474.1352686139@neuling.org> (raw)
In-Reply-To: <B2250515-36A9-4826-B50B-49298A28FB39@kernel.crashing.org>
Segher Boessenkool <segher@kernel.crashing.org> wrote:
> > --- a/arch/powerpc/include/asm/reg.h
> > +++ b/arch/powerpc/include/asm/reg.h
> > @@ -249,6 +249,8 @@
> > #define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */
> > #define LPCR_RMLS_SH (63-37)
> > #define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */
> > +#define LPCR_AIL_0 0x00000000 /* MMU off IRQ location 0x0 */
> > +#define LPCR_AIL_3 0x01800000 /* MMU on IRQ location 0xc00...4xxx */
>
> s/IRQ location/exception offset/ ?
Sure, updated.
>
> > --- a/arch/powerpc/kernel/cpu_setup_power.S
> > +++ b/arch/powerpc/kernel/cpu_setup_power.S
> > @@ -54,6 +54,7 @@ _GLOBAL(__setup_cpu_power8)
> > li r0,0
> > mtspr SPRN_LPID,r0
> > mfspr r3,SPRN_LPCR
> > + oris r3, r3, LPCR_AIL_3@h
>
> Is the AIL field only two bits? If not, you probably want to clear
> the other bits.
Yes it only 2 bits.
> This series looks really nice btw :-)
Cheers,
Mikey
next prev parent reply other threads:[~2012-11-12 2:08 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-09 6:18 [PATCH 00/14] powerpc: Add support for POWER8 relocation on exceptions Michael Neuling
2012-11-09 6:18 ` [PATCH 01/14] powerpc: Fix name denorm hypervisor symbol Michael Neuling
2012-11-09 6:19 ` [PATCH 02/14] powerpc: Whitespace changes in exception64s.S Michael Neuling
2012-11-09 6:19 ` [PATCH 03/14] powerpc: Remove unessessary 0x3000 location enforcement Michael Neuling
2012-11-09 6:19 ` [PATCH 04/14] powerpc: Make load_hander handle upto 64k offset Michael Neuling
2012-11-09 6:19 ` [PATCH 05/14] powerpc: Turn syscall handler into macros Michael Neuling
2012-11-09 6:19 ` [PATCH 06/14] powerpc: Add new macros needed for relocation on exceptions Michael Neuling
2012-11-09 6:19 ` [PATCH 07/14] powerpc: Add relocation on exception vector handlers Michael Neuling
2012-11-09 6:19 ` [PATCH 08/14] powerpc: Move initial mfspr LPCR out of __init_LPCR Michael Neuling
2012-11-09 6:19 ` [PATCH 09/14] powerpc: Setup relocation on exceptions for bare metal systems Michael Neuling
2012-11-12 1:32 ` Segher Boessenkool
2012-11-12 2:08 ` Michael Neuling [this message]
2012-11-09 6:19 ` [PATCH 10/14] powerpc: Add set_mode hcall Michael Neuling
2012-11-09 6:19 ` [PATCH 10/12] powerpc: Move get_longbusy_msecs into hvcall.h and remove duplicate function Michael Neuling
2012-11-09 6:19 ` [PATCH 11/14] powerpc: Add wrappers to enable/disable relocation on exceptions Michael Neuling
2012-11-09 6:19 ` [PATCH 12/14] powerpc: Move get_longbusy_msecs into hvcall.h and remove duplicate function Michael Neuling
2012-11-09 9:26 ` Stephen Rothwell
2012-11-09 9:49 ` Michael Neuling
2012-11-09 6:19 ` [PATCH 13/14] powerpc: Enable relocation on during exceptions at boot Michael Neuling
2012-11-09 6:19 ` [PATCH 14/14] powerpc: Disable relocation on exceptions when kexecing Michael Neuling
2012-11-09 8:58 ` [PATCH 00/14] powerpc: Add support for POWER8 relocation on exceptions Gabriel Paubert
2012-11-09 9:51 ` Michael Neuling
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