* [PATCH] arch/arm64: Add the various compression methods to the default config
@ 2019-01-19 18:55 Tobias Klausmann
2019-01-19 21:02 ` Will Deacon
0 siblings, 1 reply; 3+ messages in thread
From: Tobias Klausmann @ 2019-01-19 18:55 UTC (permalink / raw)
To: linux-arm-kernel, catalin.marinas, will.deacon; +Cc: Tobias Klausmann
There is no reason having arm64 not select these configurations by
default!
Signed-off-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
---
arch/arm64/Kconfig | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index a4168d366127..91a5e1cd7279 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -140,6 +140,11 @@ config ARM64
select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_IRQ_TIME_ACCOUNTING
+ select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_LZ4
+ select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_LZO
+ select HAVE_KERNEL_XZ
select HAVE_MEMBLOCK_NODE_MAP if NUMA
select HAVE_NMI
select HAVE_PATA_PLATFORM
--
2.20.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] arch/arm64: Add the various compression methods to the default config
2019-01-19 18:55 [PATCH] arch/arm64: Add the various compression methods to the default config Tobias Klausmann
@ 2019-01-19 21:02 ` Will Deacon
2019-01-21 0:38 ` Tobias Klausmann
0 siblings, 1 reply; 3+ messages in thread
From: Will Deacon @ 2019-01-19 21:02 UTC (permalink / raw)
To: Tobias Klausmann; +Cc: catalin.marinas, linux-arm-kernel
On Sat, Jan 19, 2019 at 07:55:40PM +0100, Tobias Klausmann wrote:
> There is no reason having arm64 not select these configurations by
> default!
>
> Signed-off-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
> ---
> arch/arm64/Kconfig | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index a4168d366127..91a5e1cd7279 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -140,6 +140,11 @@ config ARM64
> select HAVE_GENERIC_DMA_COHERENT
> select HAVE_HW_BREAKPOINT if PERF_EVENTS
> select HAVE_IRQ_TIME_ACCOUNTING
> + select HAVE_KERNEL_GZIP
> + select HAVE_KERNEL_LZ4
> + select HAVE_KERNEL_LZMA
> + select HAVE_KERNEL_LZO
> + select HAVE_KERNEL_XZ
> select HAVE_MEMBLOCK_NODE_MAP if NUMA
> select HAVE_NMI
> select HAVE_PATA_PLATFORM
I don't really understand what this patch achieves. We don't have a built-in
decompressor for arm64, as we defer to the bootloader to handle that for us
instead. The Image.gz target already produces a gzipped kernel payload.
What are you trying to do?
Will
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arch/arm64: Add the various compression methods to the default config
2019-01-19 21:02 ` Will Deacon
@ 2019-01-21 0:38 ` Tobias Klausmann
0 siblings, 0 replies; 3+ messages in thread
From: Tobias Klausmann @ 2019-01-21 0:38 UTC (permalink / raw)
To: Will Deacon; +Cc: linux-arm-kernel
On 19.01.19 22:02, Will Deacon wrote:
> On Sat, Jan 19, 2019 at 07:55:40PM +0100, Tobias Klausmann wrote:
>> There is no reason having arm64 not select these configurations by
>> default!
>>
>> Signed-off-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
>> ---
>> arch/arm64/Kconfig | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index a4168d366127..91a5e1cd7279 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -140,6 +140,11 @@ config ARM64
>> select HAVE_GENERIC_DMA_COHERENT
>> select HAVE_HW_BREAKPOINT if PERF_EVENTS
>> select HAVE_IRQ_TIME_ACCOUNTING
>> + select HAVE_KERNEL_GZIP
>> + select HAVE_KERNEL_LZ4
>> + select HAVE_KERNEL_LZMA
>> + select HAVE_KERNEL_LZO
>> + select HAVE_KERNEL_XZ
>> select HAVE_MEMBLOCK_NODE_MAP if NUMA
>> select HAVE_NMI
>> select HAVE_PATA_PLATFORM
> I don't really understand what this patch achieves. We don't have a built-in
> decompressor for arm64, as we defer to the bootloader to handle that for us
> instead. The Image.gz target already produces a gzipped kernel payload.
>
> What are you trying to do?
Yeah silly me, yet having a different behavior while installing: make
zinstall <-> make install in comparison to x86 is misleading. Maybe this
could be an option in the K config?
Greetings,
Tobias
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2019-01-19 18:55 [PATCH] arch/arm64: Add the various compression methods to the default config Tobias Klausmann
2019-01-19 21:02 ` Will Deacon
2019-01-21 0:38 ` Tobias Klausmann
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