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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-23 06:59:19 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-23 06:59:19 -0500
commit749e4121d6ee7fd4495779730fbc6ae800d0317c (patch)
tree9270ebabd9e3b57ef0427495ec9228f52454b608 /arch/x86/kernel/ftrace.c
parenttty: serial: 21285: stop using the unused[] variable from struct uart_port (diff)
parentLinux 5.5-rc3 (diff)
downloadlinux-dev-749e4121d6ee7fd4495779730fbc6ae800d0317c.tar.xz
linux-dev-749e4121d6ee7fd4495779730fbc6ae800d0317c.zip
Merge 5.5-rc3 into tty-next
We need the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kernel/ftrace.c')
-rw-r--r--arch/x86/kernel/ftrace.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 060a361d9d11..024c3053dbba 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -1043,20 +1043,6 @@ void prepare_ftrace_return(unsigned long self_addr, unsigned long *parent,
return;
/*
- * If the return location is actually pointing directly to
- * the start of a direct trampoline (if we trace the trampoline
- * it will still be offset by MCOUNT_INSN_SIZE), then the
- * return address is actually off by one word, and we
- * need to adjust for that.
- */
- if (ftrace_direct_func_count) {
- if (ftrace_find_direct_func(self_addr + MCOUNT_INSN_SIZE)) {
- self_addr = *parent;
- parent++;
- }
- }
-
- /*
* Protect against fault, even if it shouldn't
* happen. This tool is too much intrusive to
* ignore such a protection.