kpatch-build: support patching weak function#508
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sjenning merged 1 commit intodynup:masterfrom Oct 16, 2015
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Before this patch, if changed function is weak symbol, it is not be allowed to create live patch, and it will trigger the following error: /usr/local/libexec/kpatch/create-diff-object: ERROR: ***.o: kpatch_create_patches_sections: 2294: lookup_global_symbol *** And if the changed function reference the weak symbol, when loading the patch module will trigger the following error: module kpatch-***: overflow in relocation type *** val 0 insmod: can't insert 'kpatch-***.ko': invalid module format This patch fix it and add support for patching weak function. Signed-off-by: Li Bin <huawei.libin@huawei.com>
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Oct 16, 2015
kpatch-build: support patching weak function
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Before this patch, if changed function is weak symbol, it is not
be allowed to create live patch, and it will trigger the following
error:
/usr/local/libexec/kpatch/create-diff-object: ERROR: **.o:
kpatch_create_patches_sections: 2294: lookup_global_symbol **
And if the changed function reference the weak symbol, when loading
the patch module will trigger the following error:
module kpatch-**: overflow in relocation type ** val 0
insmod: can't insert 'kpatch-***.ko': invalid module format
This patch fix it and add support for patching weak function.
Signed-off-by: Li Bin huawei.libin@huawei.com