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| author | Michal Simek <michal.simek@xilinx.com> | 2020-11-26 14:32:25 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2020-11-26 16:39:35 +0100 |
| commit | 05cdf457477d6603b207d91873f0a3d4c7f8c1cd (patch) | |
| tree | 187900c636e5c8b9da2fe4344cbc8658ab92541a /arch/microblaze/kernel/unwind.c | |
| parent | ed2124c0b9a8d2c09e3b5b9ca9827187c5fcbe71 (diff) | |
| download | linux-05cdf457477d6603b207d91873f0a3d4c7f8c1cd.tar.bz2 | |
microblaze: Remove noMMU code
This configuration is obsolete and likely none is really using it. That's
why remove it to simplify code.
Note about CONFIG_MMU in hw_exception_handler.S is left intentionally
for better comment understanding.
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/43486cab370e0c0a79860120b71e0caac75a7e44.1606397528.git.michal.simek@xilinx.com
Diffstat (limited to 'arch/microblaze/kernel/unwind.c')
| -rw-r--r-- | arch/microblaze/kernel/unwind.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/microblaze/kernel/unwind.c b/arch/microblaze/kernel/unwind.c index 778a761af0a7..a530a7a6be7d 100644 --- a/arch/microblaze/kernel/unwind.c +++ b/arch/microblaze/kernel/unwind.c @@ -161,22 +161,12 @@ static void microblaze_unwind_inner(struct task_struct *task, * unwind_trap - Unwind through a system trap, that stored previous state * on the stack. */ -#ifdef CONFIG_MMU static inline void unwind_trap(struct task_struct *task, unsigned long pc, unsigned long fp, struct stack_trace *trace, const char *loglvl) { /* To be implemented */ } -#else -static inline void unwind_trap(struct task_struct *task, unsigned long pc, - unsigned long fp, struct stack_trace *trace, - const char *loglvl) -{ - const struct pt_regs *regs = (const struct pt_regs *) fp; - microblaze_unwind_inner(task, regs->pc, regs->r1, regs->r15, trace, loglvl); -} -#endif /** * microblaze_unwind_inner - Unwind the stack from the specified point @@ -215,16 +205,7 @@ static void microblaze_unwind_inner(struct task_struct *task, * HW exception handler doesn't save all registers, * so we open-code a special case of unwind_trap() */ -#ifndef CONFIG_MMU - const struct pt_regs *regs = - (const struct pt_regs *) fp; -#endif printk("%sHW EXCEPTION\n", loglvl); -#ifndef CONFIG_MMU - microblaze_unwind_inner(task, regs->r17 - 4, - fp + EX_HANDLER_STACK_SIZ, - regs->r15, trace, loglvl); -#endif return; } |