Hi all,
After merging the akpm tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:
arch/powerpc/kvm/book3s_64_mmu_radix.c: In function 'debugfs_radix_read':
arch/powerpc/kvm/book3s_64_mmu_radix.c:1226:8: error: unused variable 'pgd' [-Werror=unused-variable]
1226 | pgd_t pgd, *pgdp;
| ^~~
cc1: all warnings being treated as errors
Caused by commit
cad54c147231 ("powerpc: add support for folded p4d page tables")
I applied the following fix patch:
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Mon, 2 Mar 2020 15:19:40 +1100
Subject: [PATCH] fix for "powerpc: add support for folded p4d page tables"
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
arch/powerpc/kvm/book3s_64_mmu_radix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index beb694285100..3fb598659420 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -1223,7 +1223,7 @@ static ssize_t debugfs_radix_read(struct file *file, char __user *buf,
unsigned long gpa;
pgd_t *pgt;
struct kvm_nested_guest *nested;
- pgd_t pgd, *pgdp;
+ pgd_t *pgdp;
p4d_t p4d, *p4dp;
pud_t pud, *pudp;
pmd_t pmd, *pmdp;
--
2.25.0
--
Cheers,
Stephen Rothwell
Attachment:
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Description: OpenPGP digital signature
