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authorRandy Dunlap <rdunlap@infradead.org>2022-08-07 15:09:34 -0700
committerAndrew Morton <akpm@linux-foundation.org>2022-08-20 15:17:45 -0700
commita8faed3a02eeb75857a3b5d660fa80fe79db77a3 (patch)
treeccb097ee92df042c981fa2dce7384983f1f166f3 /kernel/sys_ni.c
parent5535be3099717646781ce1540cf725965d680e7b (diff)
kernel/sys_ni: add compat entry for fadvise64_64
When CONFIG_ADVISE_SYSCALLS is not set/enabled and CONFIG_COMPAT is set/enabled, the riscv compat_syscall_table references 'compat_sys_fadvise64_64', which is not defined: riscv64-linux-ld: arch/riscv/kernel/compat_syscall_table.o:(.rodata+0x6f8): undefined reference to `compat_sys_fadvise64_64' Add 'fadvise64_64' to kernel/sys_ni.c as a conditional COMPAT function so that when CONFIG_ADVISE_SYSCALLS is not set, there is a fallback function available. Link: https://lkml.kernel.org/r/20220807220934.5689-1-rdunlap@infradead.org Fixes: d3ac21cacc24 ("mm: Support compiling out madvise and fadvise") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Suggested-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel/sys_ni.c')
-rw-r--r--kernel/sys_ni.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index a492f159624f..860b2dcf3ac4 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -277,6 +277,7 @@ COND_SYSCALL(landlock_restrict_self);
/* mm/fadvise.c */
COND_SYSCALL(fadvise64_64);
+COND_SYSCALL_COMPAT(fadvise64_64);
/* mm/, CONFIG_MMU only */
COND_SYSCALL(swapon);