* Re: [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to > 128TB
[not found] <mailman.7.1537988404.27860.kexec@lists.infradead.org>
@ 2018-09-26 19:10 ` Dave Anderson
2018-09-26 19:42 ` Hari Bathini
0 siblings, 1 reply; 4+ messages in thread
From: Dave Anderson @ 2018-09-26 19:10 UTC (permalink / raw)
To: kexec; +Cc: hbathini
----- Original Message -----
>
> * Required for kernel 4.19
>
> With kernel commit 7d4340bb92a9 ("powerpc/mm: Increase MAX_PHYSMEM_BITS
> to 128TB with SPARSEMEM_VMEMMAP config"), MAX_PHYSMEM_BITS is bumped up
> to 47. Make the appropriate update here.
>
> Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
> ---
> arch/ppc64.c | 5 +++++
> makedumpfile.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/arch/ppc64.c b/arch/ppc64.c
> index 8b6f7d5..947a125 100644
> --- a/arch/ppc64.c
> +++ b/arch/ppc64.c
> @@ -481,6 +481,11 @@ set_ppc64_max_physmem_bits(void)
> || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
> return TRUE;
>
> + info->max_physmem_bits = _MAX_PHYSMEM_BITS_4_19;
> + if ((array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT_EXTREME()))
> + || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
> + return TRUE;
> +
> return FALSE;
> }
>
> diff --git a/makedumpfile.h b/makedumpfile.h
> index d1fcd87..46ebe2e 100644
> --- a/makedumpfile.h
> +++ b/makedumpfile.h
> @@ -673,6 +673,7 @@ unsigned long get_kvbase_arm64(void);
> #define _SECTION_SIZE_BITS (24)
> #define _MAX_PHYSMEM_BITS_ORIG (44)
> #define _MAX_PHYSMEM_BITS_3_7 (46)
> +#define _MAX_PHYSMEM_BITS_4_19 (47)
> #define REGION_SHIFT (60UL)
> #define VMEMMAP_REGION_ID (0xfUL)
Hari,
Do you have an accompanying crash utility patch coming along?
Thanks,
Dave
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to > 128TB
2018-09-26 19:10 ` [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to > 128TB Dave Anderson
@ 2018-09-26 19:42 ` Hari Bathini
0 siblings, 0 replies; 4+ messages in thread
From: Hari Bathini @ 2018-09-26 19:42 UTC (permalink / raw)
To: Dave Anderson, kexec
On Thursday 27 September 2018 12:40 AM, Dave Anderson wrote:
> ----- Original Message -----
>> * Required for kernel 4.19
>>
>> With kernel commit 7d4340bb92a9 ("powerpc/mm: Increase MAX_PHYSMEM_BITS
>> to 128TB with SPARSEMEM_VMEMMAP config"), MAX_PHYSMEM_BITS is bumped up
>> to 47. Make the appropriate update here.
>>
>> Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
>> ---
>> arch/ppc64.c | 5 +++++
>> makedumpfile.h | 1 +
>> 2 files changed, 6 insertions(+)
>>
>> diff --git a/arch/ppc64.c b/arch/ppc64.c
>> index 8b6f7d5..947a125 100644
>> --- a/arch/ppc64.c
>> +++ b/arch/ppc64.c
>> @@ -481,6 +481,11 @@ set_ppc64_max_physmem_bits(void)
>> || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
>> return TRUE;
>>
>> + info->max_physmem_bits = _MAX_PHYSMEM_BITS_4_19;
>> + if ((array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT_EXTREME()))
>> + || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
>> + return TRUE;
>> +
>> return FALSE;
>> }
>>
>> diff --git a/makedumpfile.h b/makedumpfile.h
>> index d1fcd87..46ebe2e 100644
>> --- a/makedumpfile.h
>> +++ b/makedumpfile.h
>> @@ -673,6 +673,7 @@ unsigned long get_kvbase_arm64(void);
>> #define _SECTION_SIZE_BITS (24)
>> #define _MAX_PHYSMEM_BITS_ORIG (44)
>> #define _MAX_PHYSMEM_BITS_3_7 (46)
>> +#define _MAX_PHYSMEM_BITS_4_19 (47)
>> #define REGION_SHIFT (60UL)
>> #define VMEMMAP_REGION_ID (0xfUL)
> Hari,
>
> Do you have an accompanying crash utility patch coming along?
>
Yes, Dave. I am working on the crash utility patch..
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^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to 128TB
@ 2018-09-26 16:56 Hari Bathini
2018-09-26 20:21 ` Kazuhito Hagio
0 siblings, 1 reply; 4+ messages in thread
From: Hari Bathini @ 2018-09-26 16:56 UTC (permalink / raw)
To: Kazuhito Hagio; +Cc: Kexec-ml, Dave Young, Petr Tesarik
* Required for kernel 4.19
With kernel commit 7d4340bb92a9 ("powerpc/mm: Increase MAX_PHYSMEM_BITS
to 128TB with SPARSEMEM_VMEMMAP config"), MAX_PHYSMEM_BITS is bumped up
to 47. Make the appropriate update here.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
---
arch/ppc64.c | 5 +++++
makedumpfile.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/arch/ppc64.c b/arch/ppc64.c
index 8b6f7d5..947a125 100644
--- a/arch/ppc64.c
+++ b/arch/ppc64.c
@@ -481,6 +481,11 @@ set_ppc64_max_physmem_bits(void)
|| (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
return TRUE;
+ info->max_physmem_bits = _MAX_PHYSMEM_BITS_4_19;
+ if ((array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT_EXTREME()))
+ || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
+ return TRUE;
+
return FALSE;
}
diff --git a/makedumpfile.h b/makedumpfile.h
index d1fcd87..46ebe2e 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -673,6 +673,7 @@ unsigned long get_kvbase_arm64(void);
#define _SECTION_SIZE_BITS (24)
#define _MAX_PHYSMEM_BITS_ORIG (44)
#define _MAX_PHYSMEM_BITS_3_7 (46)
+#define _MAX_PHYSMEM_BITS_4_19 (47)
#define REGION_SHIFT (60UL)
#define VMEMMAP_REGION_ID (0xfUL)
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^ permalink raw reply related [flat|nested] 4+ messages in thread* RE: [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to 128TB
2018-09-26 16:56 [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to 128TB Hari Bathini
@ 2018-09-26 20:21 ` Kazuhito Hagio
0 siblings, 0 replies; 4+ messages in thread
From: Kazuhito Hagio @ 2018-09-26 20:21 UTC (permalink / raw)
To: Hari Bathini; +Cc: Dave Young, Kexec-ml, Petr Tesarik
On 9/26/2018 12:56 PM, Hari Bathini wrote:
> * Required for kernel 4.19
>
> With kernel commit 7d4340bb92a9 ("powerpc/mm: Increase MAX_PHYSMEM_BITS
> to 128TB with SPARSEMEM_VMEMMAP config"), MAX_PHYSMEM_BITS is bumped up
> to 47. Make the appropriate update here.
>
> Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
> ---
> arch/ppc64.c | 5 +++++
> makedumpfile.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/arch/ppc64.c b/arch/ppc64.c
> index 8b6f7d5..947a125 100644
> --- a/arch/ppc64.c
> +++ b/arch/ppc64.c
> @@ -481,6 +481,11 @@ set_ppc64_max_physmem_bits(void)
> || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
> return TRUE;
>
> + info->max_physmem_bits = _MAX_PHYSMEM_BITS_4_19;
> + if ((array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT_EXTREME()))
> + || (array_len == (NR_MEM_SECTIONS() / _SECTIONS_PER_ROOT())))
> + return TRUE;
> +
> return FALSE;
> }
>
> diff --git a/makedumpfile.h b/makedumpfile.h
> index d1fcd87..46ebe2e 100644
> --- a/makedumpfile.h
> +++ b/makedumpfile.h
> @@ -673,6 +673,7 @@ unsigned long get_kvbase_arm64(void);
> #define _SECTION_SIZE_BITS (24)
> #define _MAX_PHYSMEM_BITS_ORIG (44)
> #define _MAX_PHYSMEM_BITS_3_7 (46)
> +#define _MAX_PHYSMEM_BITS_4_19 (47)
> #define REGION_SHIFT (60UL)
> #define VMEMMAP_REGION_ID (0xfUL)
>
>
Thanks Hari, applied to the devel branch.
Kazu
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^ permalink raw reply [flat|nested] 4+ messages in thread
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[not found] <mailman.7.1537988404.27860.kexec@lists.infradead.org>
2018-09-26 19:10 ` [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to > 128TB Dave Anderson
2018-09-26 19:42 ` Hari Bathini
2018-09-26 16:56 [PATCH] makedumpfile/ppc64: increase MAX_PHYSMEM_BITS to 128TB Hari Bathini
2018-09-26 20:21 ` Kazuhito Hagio
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