diff options
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-tools')
-rw-r--r-- | meta/recipes-kernel/lttng/lttng-tools/Fix-alignment-problems-on-targets-not-supporting-una.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-tools/Fix-alignment-problems-on-targets-not-supporting-una.patch b/meta/recipes-kernel/lttng/lttng-tools/Fix-alignment-problems-on-targets-not-supporting-una.patch deleted file mode 100644 index 2c1756e6ed..0000000000 --- a/meta/recipes-kernel/lttng/lttng-tools/Fix-alignment-problems-on-targets-not-supporting-una.patch +++ /dev/null | |||
@@ -1,47 +0,0 @@ | |||
1 | From 9dc4d3a8dcc7cfb6991e760e78f614afd593bf66 Mon Sep 17 00:00:00 2001 | ||
2 | From: =?UTF-8?q?Fredrik=20Markstr=C3=B6m?= <fredrik.markstrom@gmail.com> | ||
3 | Date: Tue, 1 Apr 2014 17:46:23 +0200 | ||
4 | Subject: [PATCH v2] Fix: alignment problems on targets not supporting unaligned | ||
5 | access. | ||
6 | MIME-Version: 1.0 | ||
7 | Content-Type: text/plain; charset=UTF-8 | ||
8 | Content-Transfer-Encoding: 8bit | ||
9 | |||
10 | Upstream-Status: Submitted (https://www.mail-archive.com/lttng-dev@lists.lttng.org/msg06012.html) | ||
11 | |||
12 | Accessing floats, doubles and 64 bit int at unaligned addresses is not | ||
13 | supported on all configurations of arm processors and if it is it's | ||
14 | emulated and slow. This patch replaces direct assignments with memcpy. | ||
15 | |||
16 | Signed-off-by: Fredrik Markström <fredrik.markstrom@gmail.com> | ||
17 | Signed-off-by: Roy Li <rongqing.li@windriver.com> | ||
18 | Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | ||
19 | --- | ||
20 | src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c | 4 ++-- | ||
21 | 1 file changed, 2 insertions(+), 2 deletions(-) | ||
22 | |||
23 | diff --git a/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c b/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c | ||
24 | index 762d604..8c6dc96 100644 | ||
25 | --- a/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c | ||
26 | +++ b/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c | ||
27 | @@ -222,7 +222,7 @@ int visit_node_load(struct filter_parser_ctx *ctx, struct ir_op *node) | ||
28 | if (!insn) | ||
29 | return -ENOMEM; | ||
30 | insn->op = FILTER_OP_LOAD_S64; | ||
31 | - *(int64_t *) insn->data = node->u.load.u.num; | ||
32 | + memcpy(insn->data, &node->u.load.u.num, sizeof(int64_t)); | ||
33 | ret = bytecode_push(&ctx->bytecode, insn, 1, insn_len); | ||
34 | free(insn); | ||
35 | return ret; | ||
36 | @@ -237,7 +237,7 @@ int visit_node_load(struct filter_parser_ctx *ctx, struct ir_op *node) | ||
37 | if (!insn) | ||
38 | return -ENOMEM; | ||
39 | insn->op = FILTER_OP_LOAD_DOUBLE; | ||
40 | - *(double *) insn->data = node->u.load.u.flt; | ||
41 | + memcpy(insn->data, &node->u.load.u.flt, sizeof(double)); | ||
42 | ret = bytecode_push(&ctx->bytecode, insn, 1, insn_len); | ||
43 | free(insn); | ||
44 | return ret; | ||
45 | -- | ||
46 | 1.7.10.4 | ||
47 | |||