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| author | Max Filippov <jcmvbkbc@gmail.com> | 2021-07-26 07:32:55 -0700 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2021-10-18 22:19:35 -0700 |
| commit | da0a4e5c8fbcce3d1afebf9f2a967083bb19634d (patch) | |
| tree | 5decac9abd975143a4f0f0fd63607dc4aaadb324 /arch/xtensa/kernel/entry.S | |
| parent | 09af39f649dac66c2681ca53977275fe876690cc (diff) | |
| download | linux-stable-da0a4e5c8fbcce3d1afebf9f2a967083bb19634d.tar.gz linux-stable-da0a4e5c8fbcce3d1afebf9f2a967083bb19634d.tar.bz2 linux-stable-da0a4e5c8fbcce3d1afebf9f2a967083bb19634d.zip | |
xtensa: only build windowed register support code when needed
There's no need in window overflow/underflow/alloca exception handlers
or window spill code when neither kernel nor userspace support windowed
registers. Don't build or link it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel/entry.S')
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 8029ce24af92..99ab3c1a3387 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -969,6 +969,7 @@ ENDPROC(unrecoverable_exception) __XTENSA_HANDLER .literal_position +#ifdef SUPPORT_WINDOWED /* * Fast-handler for alloca exceptions * @@ -1032,6 +1033,7 @@ ENTRY(fast_alloca) 8: j _WindowUnderflow8 4: j _WindowUnderflow4 ENDPROC(fast_alloca) +#endif #ifdef CONFIG_USER_ABI_CALL0_PROBE /* @@ -1228,7 +1230,8 @@ ENDPROC(fast_syscall_xtensa) * Note: We assume the stack pointer is EXC_TABLE_KSTK in the fixup handler. */ -#ifdef CONFIG_FAST_SYSCALL_SPILL_REGISTERS +#if defined(CONFIG_FAST_SYSCALL_SPILL_REGISTERS) && \ + defined(USER_SUPPORT_WINDOWED) ENTRY(fast_syscall_spill_registers) |