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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
commit34996e42f82bfd60bc2c191e5cae3c6ab233ec6c (patch)
tree62db60558cbf089714b48daeabca82bf2b20b20e /arch/powerpc/mm/book3s64/hash_hugepage.c
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.tar.xz
linux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.zip
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/mm/book3s64/hash_hugepage.c')
-rw-r--r--arch/powerpc/mm/book3s64/hash_hugepage.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/powerpc/mm/book3s64/hash_hugepage.c b/arch/powerpc/mm/book3s64/hash_hugepage.c
index c0fabe6c5a..15d6f3ea71 100644
--- a/arch/powerpc/mm/book3s64/hash_hugepage.c
+++ b/arch/powerpc/mm/book3s64/hash_hugepage.c
@@ -59,16 +59,13 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
rflags = htab_convert_pte_flags(new_pmd, flags);
-#if 0
- if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) {
+ /*
+ * THPs are only supported on platforms that can do mixed page size
+ * segments (MPSS) and all such platforms have coherent icache. Hence we
+ * don't need to do lazy icache flush (hash_page_do_lazy_icache()) on
+ * noexecute fault.
+ */
- /*
- * No CPU has hugepages but lacks no execute, so we
- * don't need to worry about that case
- */
- rflags = hash_page_do_lazy_icache(rflags, __pte(old_pte), trap);
- }
-#endif
/*
* Find the slot index details for this ea, using base page size.
*/