diff options
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/include/asm/thread_info.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/include/uapi/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/mn10300/include/uapi/asm/poll.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/kernel/mn10300-serial.c | 7 | ||||
| -rw-r--r-- | arch/mn10300/mm/dma-alloc.c | 3 | ||||
| -rw-r--r-- | arch/mn10300/mm/misalignment.c | 2 |
6 files changed, 7 insertions, 10 deletions
diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h index f5f90bbf019d..1748a7b25bf8 100644 --- a/arch/mn10300/include/asm/thread_info.h +++ b/arch/mn10300/include/asm/thread_info.h @@ -79,8 +79,6 @@ struct thread_info { .addr_limit = KERNEL_DS, \ } -#define init_thread_info (init_thread_union.thread_info) -#define init_stack (init_thread_union.stack) #define init_uregs \ ((struct pt_regs *) \ ((unsigned long) init_stack + THREAD_SIZE - sizeof(struct pt_regs))) diff --git a/arch/mn10300/include/uapi/asm/Kbuild b/arch/mn10300/include/uapi/asm/Kbuild index 81271d3af47c..b04fd1632051 100644 --- a/arch/mn10300/include/uapi/asm/Kbuild +++ b/arch/mn10300/include/uapi/asm/Kbuild @@ -2,4 +2,5 @@ include include/uapi/asm-generic/Kbuild.asm generic-y += bpf_perf_event.h +generic-y += poll.h generic-y += siginfo.h diff --git a/arch/mn10300/include/uapi/asm/poll.h b/arch/mn10300/include/uapi/asm/poll.h deleted file mode 100644 index b7132a305a47..000000000000 --- a/arch/mn10300/include/uapi/asm/poll.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/poll.h> diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c index d7ef1232a82a..4994b570dfd9 100644 --- a/arch/mn10300/kernel/mn10300-serial.c +++ b/arch/mn10300/kernel/mn10300-serial.c @@ -550,7 +550,7 @@ try_again: return; } - smp_read_barrier_depends(); + /* READ_ONCE() enforces dependency, but dangerous through integer!!! */ ch = port->rx_buffer[ix++]; st = port->rx_buffer[ix++]; smp_mb(); @@ -1728,7 +1728,10 @@ static int mn10300_serial_poll_get_char(struct uart_port *_port) if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) return NO_POLL_CHAR; - smp_read_barrier_depends(); + /* + * READ_ONCE() enforces dependency, but dangerous + * through integer!!! + */ ch = port->rx_buffer[ix++]; st = port->rx_buffer[ix++]; smp_mb(); diff --git a/arch/mn10300/mm/dma-alloc.c b/arch/mn10300/mm/dma-alloc.c index 86108d2496b3..e3910d4db102 100644 --- a/arch/mn10300/mm/dma-alloc.c +++ b/arch/mn10300/mm/dma-alloc.c @@ -37,9 +37,6 @@ static void *mn10300_dma_alloc(struct device *dev, size_t size, goto done; } - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_HIGHMEM); - if (dev == NULL || dev->coherent_dma_mask < 0xffffffff) gfp |= GFP_DMA; diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c index b39a388825ae..8ace89617c1c 100644 --- a/arch/mn10300/mm/misalignment.c +++ b/arch/mn10300/mm/misalignment.c @@ -437,7 +437,7 @@ transfer_failed: info.si_signo = SIGSEGV; info.si_errno = 0; - info.si_code = 0; + info.si_code = SEGV_MAPERR; info.si_addr = (void *) regs->pc; force_sig_info(SIGSEGV, &info, current); return; |