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Message-ID: <20230815152951.4516ec0a@canb.auug.org.au>
Date: Tue, 15 Aug 2023 15:29:51 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
Peter Zijlstra <peterz@...radead.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Rick Edgecombe <rick.p.edgecombe@...el.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the tip tree
Hi all,
After merging the tip tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20,
from arch/powerpc/include/asm/book3s/64/mmu.h:32,
from arch/powerpc/include/asm/mmu.h:396,
from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:18,
from arch/powerpc/include/asm/current.h:13,
from include/linux/thread_info.h:23,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from include/linux/spinlock.h:56,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/mm.h:7,
from mm/huge_memory.c:8:
mm/huge_memory.c: In function 'maybe_pud_mkwrite':
arch/powerpc/include/asm/book3s/64/pgtable.h:934:41: error: too few arguments to function 'pte_mkwrite'
934 | #define pud_mkwrite(pud) pte_pud(pte_mkwrite(pud_pte(pud)))
| ^~~~~~~~~~~
mm/huge_memory.c:935:23: note: in expansion of macro 'pud_mkwrite'
935 | pud = pud_mkwrite(pud);
| ^~~~~~~~~~~
In file included from include/linux/mm.h:29:
include/linux/pgtable.h:593:21: note: declared here
593 | static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
| ^~~~~~~~~~~
Caused by commit
161e393c0f63 ("mm: Make pte_mkwrite() take a VMA")
interacting with commit
6440c7b067ef ("powerpc/book3s64/mm: enable transparent pud hugepage")
from the mm-stable tree.
I have applied the following patch for today (hopefully it makes sense):
From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 15 Aug 2023 15:15:23 +1000
Subject: [PATCH] fix up for "mm: Make pte_mkwrite() take a VMA"
interacting with commit
6440c7b067ef ("powerpc/book3s64/mm: enable transparent pud hugepage")
from the mm-stable tree.
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 136232a89739..5c497c862d75 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -931,7 +931,7 @@ static inline pte_t *pudp_ptep(pud_t *pud)
#define pud_mkdirty(pud) pte_pud(pte_mkdirty(pud_pte(pud)))
#define pud_mkclean(pud) pte_pud(pte_mkclean(pud_pte(pud)))
#define pud_mkyoung(pud) pte_pud(pte_mkyoung(pud_pte(pud)))
-#define pud_mkwrite(pud) pte_pud(pte_mkwrite(pud_pte(pud)))
+#define pud_mkwrite(pud) pte_pud(pte_mkwrite_novma(pud_pte(pud)))
#define pud_write(pud) pte_write(pud_pte(pud))
#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
--
2.40.1
--
Cheers,
Stephen Rothwell
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