diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2018-11-15 18:17:41 -0800 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2018-12-03 01:39:22 -0800 |
| commit | 8ed3a5426b4245ae22e01f8a65573b8fd5854004 (patch) | |
| tree | 3e8126f3263d5313eb9975ce70ed7a102f91f5e4 /arch/xtensa/kernel/entry.S | |
| parent | 5eacadb5e66b2b100695777ee7d68d8a2d9bd25c (diff) | |
xtensa: drop fast_syscall_kernel
There must be no xtensa-specific syscalls from the kernel code: register
spilling uses call+entry sequence and atomics have proper function
implementations. Drop fast_syscall_xtensa.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel/entry.S')
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index b0007567e497..48d36b4d27b8 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -1022,25 +1022,6 @@ ENDPROC(fast_alloca) * excsave_1: dispatch table */ -ENTRY(fast_syscall_kernel) - - /* Skip syscall. */ - - rsr a0, epc1 - addi a0, a0, 3 - wsr a0, epc1 - - l32i a0, a2, PT_DEPC - bgeui a0, VALID_DOUBLE_EXCEPTION_ADDRESS, fast_syscall_unrecoverable - - rsr a0, depc # get syscall-nr - _beqz a0, fast_syscall_spill_registers - _beqi a0, __NR_xtensa, fast_syscall_xtensa - - j kernel_exception - -ENDPROC(fast_syscall_kernel) - ENTRY(fast_syscall_user) /* Skip syscall. */ |