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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/signal.c | |
| parent | microblaze: add support for TIF_NOTIFY_SIGNAL (diff) | |
| download | linux-05cdf457477d6603b207d91873f0a3d4c7f8c1cd.tar.xz linux-05cdf457477d6603b207d91873f0a3d4c7f8c1cd.zip | |
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This configuration is obsolete and likely none is really using it.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/signal.c')
| -rw-r--r-- | arch/microblaze/kernel/signal.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 5a8d173d7b75..fc61eb0eb8dd 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -157,10 +157,8 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct rt_sigframe __user *frame; int err = 0, sig = ksig->sig; unsigned long address = 0; -#ifdef CONFIG_MMU pmd_t *pmdp; pte_t *ptep; -#endif frame = get_sigframe(ksig, regs, sizeof(*frame)); @@ -192,7 +190,6 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, regs->r15 = ((unsigned long)frame->tramp)-8; address = ((unsigned long)frame->tramp); -#ifdef CONFIG_MMU pmdp = pmd_off(current->mm, address); preempt_disable(); @@ -208,10 +205,6 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, } pte_unmap(ptep); preempt_enable(); -#else - flush_icache_range(address, address + 8); - flush_dcache_range(address, address + 8); -#endif if (err) return -EFAULT; |