Messages in this thread Patch in this message | | | Date | Tue, 2 Jun 2020 19:57:41 +1000 | From | Stephen Rothwell <> | Subject | linux-next: build failure after merge of the akpm tree |
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Hi all,
After merging the akpm tree, today's linux-next build (powerpc ppc64_defconfig) failed like this:
ERROR: modpost: ".probe_user_write" [arch/powerpc/kvm/kvm-hv.ko] undefined!
Caused by patch
"maccess: unexport probe_kernel_write and probe_user_write"
"These two functions are not used by any modular code." turns out to not be true :-(
I have added this patch:
From: Stephen Rothwell <sfr@canb.auug.org.au> Date: Tue, 2 Jun 2020 19:54:05 +1000 Subject: [PATCH] turns out that probe_user_write is used in modular code
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> --- mm/maccess.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/mm/maccess.c b/mm/maccess.c index ddfda8e6f4a5..88845eda5047 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -246,6 +246,7 @@ long probe_user_write(void __user *dst, const void *src, size_t size) return -EFAULT; return 0; } +EXPORT_SYMBOL_GPL(probe_user_write); /** * strncpy_from_user_nofault: - Copy a NUL terminated string from unsafe user -- 2.26.2 -- Cheers, Stephen Rothwell [unhandled content-type:application/pgp-signature] | |