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From: Daniel Axtens <dja@axtens.net>
To: Pawel Dembicki <paweldembicki@gmail.com>
Cc: Pawel Dembicki <paweldembicki@gmail.com>,
	Christian Lamparter <chunkeey@gmail.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] powerpc: Enable kernel XZ compression option on PPC_85xx
Date: Thu, 13 Jun 2019 13:25:05 +1000	[thread overview]
Message-ID: <877e9qp3ou.fsf@dja-thinkpad.axtens.net> (raw)
In-Reply-To: <20190603164115.27471-1-paweldembicki@gmail.com>

Pawel Dembicki <paweldembicki@gmail.com> writes:

> Enable kernel XZ compression option on PPC_85xx. Tested with
> simpleImage on TP-Link TL-WDR4900 (Freescale P1014 processor).
>
> Suggested-by: Christian Lamparter <chunkeey@gmail.com>
> Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
> ---
>  arch/powerpc/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 8c1c636308c8..daf4cb968922 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -196,7 +196,7 @@ config PPC
>  	select HAVE_IOREMAP_PROT
>  	select HAVE_IRQ_EXIT_ON_IRQ_STACK
>  	select HAVE_KERNEL_GZIP
> -	select HAVE_KERNEL_XZ			if PPC_BOOK3S || 44x
> +	select HAVE_KERNEL_XZ			if PPC_BOOK3S || 44x || PPC_85xx

(I'm not super well versed in the compression stuff, so apologies if
this is a dumb question.) If it's this simple, is there any reason we
can't turn it on generally, or convert it to a blacklist of platforms
known not to work?

Regards,
Daniel

>  	select HAVE_KPROBES
>  	select HAVE_KPROBES_ON_FTRACE
>  	select HAVE_KRETPROBES
> -- 
> 2.20.1

WARNING: multiple messages have this Message-ID (diff)
From: Daniel Axtens <dja@axtens.net>
To: Pawel Dembicki <paweldembicki@gmail.com>
Cc: Christian Lamparter <chunkeey@gmail.com>,
	linux-kernel@vger.kernel.org,
	Pawel Dembicki <paweldembicki@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc: Enable kernel XZ compression option on PPC_85xx
Date: Thu, 13 Jun 2019 13:25:05 +1000	[thread overview]
Message-ID: <877e9qp3ou.fsf@dja-thinkpad.axtens.net> (raw)
In-Reply-To: <20190603164115.27471-1-paweldembicki@gmail.com>

Pawel Dembicki <paweldembicki@gmail.com> writes:

> Enable kernel XZ compression option on PPC_85xx. Tested with
> simpleImage on TP-Link TL-WDR4900 (Freescale P1014 processor).
>
> Suggested-by: Christian Lamparter <chunkeey@gmail.com>
> Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
> ---
>  arch/powerpc/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 8c1c636308c8..daf4cb968922 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -196,7 +196,7 @@ config PPC
>  	select HAVE_IOREMAP_PROT
>  	select HAVE_IRQ_EXIT_ON_IRQ_STACK
>  	select HAVE_KERNEL_GZIP
> -	select HAVE_KERNEL_XZ			if PPC_BOOK3S || 44x
> +	select HAVE_KERNEL_XZ			if PPC_BOOK3S || 44x || PPC_85xx

(I'm not super well versed in the compression stuff, so apologies if
this is a dumb question.) If it's this simple, is there any reason we
can't turn it on generally, or convert it to a blacklist of platforms
known not to work?

Regards,
Daniel

>  	select HAVE_KPROBES
>  	select HAVE_KPROBES_ON_FTRACE
>  	select HAVE_KRETPROBES
> -- 
> 2.20.1

  reply	other threads:[~2019-06-13 16:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-03 16:41 [PATCH] powerpc: Enable kernel XZ compression option on PPC_85xx Pawel Dembicki
2019-06-03 16:41 ` Pawel Dembicki
2019-06-13  3:25 ` Daniel Axtens [this message]
2019-06-13  3:25   ` Daniel Axtens
2019-06-13 11:42   ` Michael Ellerman
2019-06-13 11:42     ` Michael Ellerman
2019-06-14 10:06     ` Christophe Leroy
2019-06-14 10:06       ` Christophe Leroy
2019-06-14 19:56       ` Christian Lamparter
2019-06-14 19:56         ` Christian Lamparter

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