.. | .. |
---|
| 1 | +// SPDX-License-Identifier: GPL-2.0-or-later |
---|
1 | 2 | /* |
---|
2 | 3 | * Low-level SPU handling |
---|
3 | 4 | * |
---|
4 | 5 | * (C) Copyright IBM Deutschland Entwicklung GmbH 2005 |
---|
5 | 6 | * |
---|
6 | 7 | * Author: Arnd Bergmann <arndb@de.ibm.com> |
---|
7 | | - * |
---|
8 | | - * This program is free software; you can redistribute it and/or modify |
---|
9 | | - * it under the terms of the GNU General Public License as published by |
---|
10 | | - * the Free Software Foundation; either version 2, or (at your option) |
---|
11 | | - * any later version. |
---|
12 | | - * |
---|
13 | | - * This program is distributed in the hope that it will be useful, |
---|
14 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
15 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
16 | | - * GNU General Public License for more details. |
---|
17 | | - * |
---|
18 | | - * You should have received a copy of the GNU General Public License |
---|
19 | | - * along with this program; if not, write to the Free Software |
---|
20 | | - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
21 | 8 | */ |
---|
22 | 9 | #include <linux/sched/signal.h> |
---|
23 | 10 | #include <linux/mm.h> |
---|
.. | .. |
---|
36 | 23 | static void spufs_handle_event(struct spu_context *ctx, |
---|
37 | 24 | unsigned long ea, int type) |
---|
38 | 25 | { |
---|
39 | | - siginfo_t info; |
---|
40 | | - |
---|
41 | 26 | if (ctx->flags & SPU_CREATE_EVENTS_ENABLED) { |
---|
42 | 27 | ctx->event_return |= type; |
---|
43 | 28 | wake_up_all(&ctx->stop_wq); |
---|
44 | 29 | return; |
---|
45 | 30 | } |
---|
46 | 31 | |
---|
47 | | - clear_siginfo(&info); |
---|
48 | | - |
---|
49 | 32 | switch (type) { |
---|
50 | 33 | case SPE_EVENT_INVALID_DMA: |
---|
51 | | - info.si_signo = SIGBUS; |
---|
52 | | - info.si_code = BUS_OBJERR; |
---|
| 34 | + force_sig_fault(SIGBUS, BUS_OBJERR, NULL); |
---|
53 | 35 | break; |
---|
54 | 36 | case SPE_EVENT_SPE_DATA_STORAGE: |
---|
55 | | - info.si_signo = SIGSEGV; |
---|
56 | | - info.si_addr = (void __user *)ea; |
---|
57 | | - info.si_code = SEGV_ACCERR; |
---|
58 | 37 | ctx->ops->restart_dma(ctx); |
---|
| 38 | + force_sig_fault(SIGSEGV, SEGV_ACCERR, (void __user *)ea); |
---|
59 | 39 | break; |
---|
60 | 40 | case SPE_EVENT_DMA_ALIGNMENT: |
---|
61 | | - info.si_signo = SIGBUS; |
---|
62 | 41 | /* DAR isn't set for an alignment fault :( */ |
---|
63 | | - info.si_code = BUS_ADRALN; |
---|
| 42 | + force_sig_fault(SIGBUS, BUS_ADRALN, NULL); |
---|
64 | 43 | break; |
---|
65 | 44 | case SPE_EVENT_SPE_ERROR: |
---|
66 | | - info.si_signo = SIGILL; |
---|
67 | | - info.si_addr = (void __user *)(unsigned long) |
---|
68 | | - ctx->ops->npc_read(ctx) - 4; |
---|
69 | | - info.si_code = ILL_ILLOPC; |
---|
| 45 | + force_sig_fault( |
---|
| 46 | + SIGILL, ILL_ILLOPC, |
---|
| 47 | + (void __user *)(unsigned long) |
---|
| 48 | + ctx->ops->npc_read(ctx) - 4); |
---|
70 | 49 | break; |
---|
71 | 50 | } |
---|
72 | | - |
---|
73 | | - if (info.si_signo) |
---|
74 | | - force_sig_info(info.si_signo, &info, current); |
---|
75 | 51 | } |
---|
76 | 52 | |
---|
77 | 53 | int spufs_handle_class0(struct spu_context *ctx) |
---|