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| author | Max Filippov | 2017-12-10 03:44:11 +0100 |
|---|---|---|
| committer | Max Filippov | 2017-12-10 23:48:52 +0100 |
| commit | 2da03d4114b2587f0e8e45f4862074e34daee64e (patch) | |
| tree | bb8b7dd122fa8fc036eeaa340264e2af405629cb /arch/xtensa/kernel/head.S | |
| parent | xtensa: build kernel with text-section-literals (diff) | |
| download | kernel-qcow2-linux-2da03d4114b2587f0e8e45f4862074e34daee64e.tar.gz kernel-qcow2-linux-2da03d4114b2587f0e8e45f4862074e34daee64e.tar.xz kernel-qcow2-linux-2da03d4114b2587f0e8e45f4862074e34daee64e.zip | |
xtensa: use call instead of callx in assembly code
Now that xtensa assembly sources are compiled with -mlongcalls let the
assembler and linker relax call instructions into l32r + callx where
needed. This change makes the code cleaner and potentially a bit faster.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel/head.S')
| -rw-r--r-- | arch/xtensa/kernel/head.S | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index 23ce62e60435..9c4e9433e536 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -264,11 +264,8 @@ ENTRY(_startup) /* init_arch kick-starts the linux kernel */ - movi a4, init_arch - callx4 a4 - - movi a4, start_kernel - callx4 a4 + call4 init_arch + call4 start_kernel should_never_return: j should_never_return @@ -294,8 +291,7 @@ should_never_return: movi a6, 0 wsr a6, excsave1 - movi a4, secondary_start_kernel - callx4 a4 + call4 secondary_start_kernel j should_never_return #endif /* CONFIG_SMP */ |