[Buildroot] [PATCH 4/4] linux: config.in: add comment for Arm Cortex-M

Christophe PRIOUZEAU christophe.priouzeau at st.com
Thu May 31 11:50:59 UTC 2018

On 05/31/2018 01:39 PM, Arnout Vandecappelle wrote:

On 31-05-18 12:17, Christophe PRIOUZEAU wrote:

When binutils > 2.28 are selected on Arm Cortex-M cpu,
linux kernel does not boot due to a new implementation
of 'adr pseudo instruction' on binutils.

Bugzilla thread: https://bugs.busybox.net/show_bug.cgi?id=11051

Signed-off-by: Christophe Priouzeau <christophe.priouzeau at st.com><mailto:christophe.priouzeau at st.com>
 linux/Config.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/linux/Config.in b/linux/Config.in
index 73a3299..fbd886c 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -8,6 +8,10 @@ config BR2_LINUX_KERNEL


+comment "Linux kernel will not boot with binutils >= 2.29"
+       depends on !BR2_ARMV7M
+       depends on BR2_BINUTILS_VERSION_2_28_X

 The logic is inverted here: it should be

        depends on BR2_ARMV7M
        depends on !BR2_BINUTILS_VERSION_2_28_X

 I guess you didn't test it?

Sorry, I have made the test with the patch on binutils/config.in, and I have inverted the value.
It's my fault.


 # Packages that need to have a kernel with support for loadable modules,
 # but do not use the kernel-modules infrastructure, should select that
 # option.


Best regards / Cordialement,

[cid:part1.6C50213D.8A91E88A at st.com]
Christophe Priouzeau | TINA: 166 7320 | Tel: +33 244027320

ST oneline: www.st.com<http://www.st.com>

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