[Buildroot] [PATCH 0/3] Linux kernel 5.0 support

[Buildroot] [PATCH 0/3] Linux kernel 5.0 support

[Joel Stanley]

Joel Stanley (3):
  package/linux-headers: add support for Linux 5.0 kernel headers
  toolchain: Add necessary options to support 5.0 kernel headers
  linux: add support for Linux 5.0

 linux/Config.in                      |  6 ++----
 linux/linux.hash                     |  2 ++
 package/linux-headers/Config.in.host | 13 ++++++++++---
 toolchain/Config.in                  |  5 +++++
 4 files changed, 19 insertions(+), 7 deletions(-)

-- 
2.20.1

[Buildroot] [PATCH 1/3] package/linux-headers: add support for Linux 5.0 kernel headers

[Joel Stanley]

This sets 5.0 to be the default, moving from 4.19 which was used instead
of 4.20 for the LTS branch.

We need to update linux/linux.hash as part of this commit, because
package/linux-headers/linux-headers.hash is a symlink to
linux/linux.hash.

Signed-off-by: Joel Stanley <joel@jms.id.au>
--
I kept Thomas' message about the hash as a reminder. We could drop that
text.
---
 linux/linux.hash                     |  2 ++
 package/linux-headers/Config.in.host | 13 ++++++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/linux/linux.hash b/linux/linux.hash
index d7ddd1c87788..5f71e377f423 100644
--- a/linux/linux.hash
+++ b/linux/linux.hash
@@ -1,3 +1,5 @@
+# From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
+sha256 43bfea3a6b24b4e5f63190409a199bee8cb93dbea01c52ad7f017078ebdf7c9b  linux-5.0.2.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v4.x/sha256sums.asc
 sha256 1cf544308195250805e0731c716691bea4c1ed29e03e6f9ae5be6dc16785a504  linux-4.20.12.tar.xz
 sha256 7ec71d90d6e96e6f741676d157ac06f30c75be4eaf1649143a3c8b7d4f919731  linux-4.19.25.tar.xz
diff --git a/package/linux-headers/Config.in.host b/package/linux-headers/Config.in.host
index 15574689fa46..d04ccff8580b 100644
--- a/package/linux-headers/Config.in.host
+++ b/package/linux-headers/Config.in.host
@@ -6,9 +6,7 @@ config BR2_PACKAGE_HOST_LINUX_HEADERS
 choice
 	prompt "Kernel Headers"
 	default BR2_KERNEL_HEADERS_AS_KERNEL if BR2_LINUX_KERNEL
-	# We are intentionally staying at 4.19 for the next Buildroot
-	# LTS release (2019.02)
-	default BR2_KERNEL_HEADERS_4_19
+	default BR2_KERNEL_HEADERS_5_0
 	help
 	  Select the kernel version to get headers from.
 
@@ -51,6 +49,10 @@ config BR2_KERNEL_HEADERS_4_20
 	bool "Linux 4.20.x kernel headers"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
 
+config BR2_KERNEL_HEADERS_5_0
+	bool "Linux 5.0.x kernel headers"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
+
 config BR2_KERNEL_HEADERS_VERSION
 	bool "Manually specified Linux version"
 	help
@@ -116,6 +118,10 @@ choice
 	  This is used to hide/show some packages that have strict
 	  requirements on the version of kernel headers.
 
+config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_0
+	bool "5.0.x"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
+
 config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_20
 	bool "4.20.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
@@ -292,6 +298,7 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "4.14.103"	if BR2_KERNEL_HEADERS_4_14
 	default "4.19.25"	if BR2_KERNEL_HEADERS_4_19
 	default "4.20.12"	if BR2_KERNEL_HEADERS_4_20
+	default "5.0.2"		if BR2_KERNEL_HEADERS_5_0
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL
 	default BR2_KERNEL_HEADERS_CUSTOM_REPO_VERSION \
-- 
2.20.1

[Buildroot] [PATCH 2/3] toolchain: Add necessary options to support 5.0 kernel headers

[Joel Stanley]

Signed-off-by: Joel Stanley <joel@jms.id.au>
---
 toolchain/Config.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index bcbc3cf98432..f0bde8fbc870 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -397,10 +397,15 @@ config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
 	bool
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
 
+config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
+	bool
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
+
 # This order guarantees that the highest version is set, as kconfig
 # stops affecting a value on the first matching default.
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST
 	string
+	default "5.0"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
 	default "4.20" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
 	default "4.19" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
 	default "4.18" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_18
-- 
2.20.1

[Buildroot] [PATCH 3/3] linux: add support for Linux 5.0

[Joel Stanley]

This sets 5.0 to be the default, moving from 4.19 which was used instead
of 4.20 for the LTS branch.

Signed-off-by: Joel Stanley <joel@jms.id.au>
---
 linux/Config.in | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/linux/Config.in b/linux/Config.in
index 818b94e1c0df..7c647abf57fa 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -30,10 +30,8 @@ config BR2_LINUX_NEEDS_MODULES
 choice
 	prompt "Kernel version"
 
-# We are intentionally staying at 4.19 for the next Buildroot LTS
-# release (2019.02)
 config BR2_LINUX_KERNEL_LATEST_VERSION
-	bool "Latest version (4.19)"
+	bool "Latest version (5.0)"
 
 config BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	bool "Latest CIP SLTS version (v4.4.171-cip30)"
@@ -123,7 +121,7 @@ endif
 
 config BR2_LINUX_KERNEL_VERSION
 	string
-	default "4.19.25" if BR2_LINUX_KERNEL_LATEST_VERSION
+	default "5.0.2" if BR2_LINUX_KERNEL_LATEST_VERSION
 	default "v4.4.171-cip30" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE \
 		if BR2_LINUX_KERNEL_CUSTOM_VERSION
-- 
2.20.1

[Buildroot] [PATCH 2/3] toolchain: Add necessary options to support 5.0 kernel headers

[Thomas Petazzoni]

Hello Joel,

On Tue, 19 Mar 2019 10:36:37 +1030
Joel Stanley <joel@jms.id.au> wrote:

> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
>  toolchain/Config.in | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/toolchain/Config.in b/toolchain/Config.in
> index bcbc3cf98432..f0bde8fbc870 100644
> --- a/toolchain/Config.in
> +++ b/toolchain/Config.in
> @@ -397,10 +397,15 @@ config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
>  	bool
>  	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
>  
> +config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
> +	bool
> +	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0

This patch should come first in your series, because your PATCH 1/3
does this:

+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0

i.e PATCH 1/3 depends on PATCH 2/3.

Another thing that is missing in your series is another patch to add
the 5.0 kernel header selection to
toolchain/toolchain-external/toolchain-external-custom/Config.in.options.

Could you fix these two issues and resend ?

Thanks a lot!

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com