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authorJens Axboe <axboe@kernel.dk>2022-07-24 18:41:03 -0600
committerJens Axboe <axboe@kernel.dk>2022-07-24 18:41:03 -0600
commit4effe18fc0da27ae5d51a702841e87fa13b8a32d (patch)
tree468f353a3713c93b27e7b2c262efd747e66ff199 /arch/x86/Makefile
parent32e09298c8b3ff29177c825ab711a4a692d4caad (diff)
parentf6b543fd03d347e8bf245cee4f2d54eb6ffd8fcb (diff)
Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send
* for-5.20/io_uring: (716 commits) io_uring: ensure REQ_F_ISREG is set async offload net: fix compat pointer in get_compat_msghdr() io_uring: Don't require reinitable percpu_ref io_uring: fix types in io_recvmsg_multishot_overflow io_uring: Use atomic_long_try_cmpxchg in __io_account_mem io_uring: support multishot in recvmsg net: copy from user before calling __get_compat_msghdr net: copy from user before calling __copy_msghdr io_uring: support 0 length iov in buffer select in compat io_uring: fix multishot ending when not polled io_uring: add netmsg cache io_uring: impose max limit on apoll cache io_uring: add abstraction around apoll cache io_uring: move apoll cache to poll.c io_uring: consolidate hash_locked io-wq handling io_uring: clear REQ_F_HASH_LOCKED on hash removal io_uring: don't race double poll setting REQ_F_ASYNC_DATA io_uring: don't miss setting REQ_F_DOUBLE_POLL io_uring: disable multishot recvmsg io_uring: only trace one of complete or overflow ... Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/x86/Makefile')
-rw-r--r--arch/x86/Makefile7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index a74886aed349..7854685c5f25 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -21,6 +21,13 @@ ifdef CONFIG_CC_IS_CLANG
RETPOLINE_CFLAGS := -mretpoline-external-thunk
RETPOLINE_VDSO_CFLAGS := -mretpoline
endif
+
+ifdef CONFIG_RETHUNK
+RETHUNK_CFLAGS := -mfunction-return=thunk-extern
+RETPOLINE_CFLAGS += $(RETHUNK_CFLAGS)
+endif
+
+export RETHUNK_CFLAGS
export RETPOLINE_CFLAGS
export RETPOLINE_VDSO_CFLAGS