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[Qemu-block] [PULL 15/18] coroutine-ucontext: use helper for allocating
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 15/18] coroutine-ucontext: use helper for allocating stack memory |
Date: |
Tue, 27 Sep 2016 15:53:58 +0200 |
From: Peter Lieven <address@hidden>
Signed-off-by: Peter Lieven <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
util/coroutine-ucontext.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/util/coroutine-ucontext.c b/util/coroutine-ucontext.c
index 31254ab..6621f3f 100644
--- a/util/coroutine-ucontext.c
+++ b/util/coroutine-ucontext.c
@@ -34,6 +34,7 @@
typedef struct {
Coroutine base;
void *stack;
+ size_t stack_size;
sigjmp_buf env;
#ifdef CONFIG_VALGRIND_H
@@ -82,7 +83,6 @@ static void coroutine_trampoline(int i0, int i1)
Coroutine *qemu_coroutine_new(void)
{
- const size_t stack_size = COROUTINE_STACK_SIZE;
CoroutineUContext *co;
ucontext_t old_uc, uc;
sigjmp_buf old_env;
@@ -101,17 +101,18 @@ Coroutine *qemu_coroutine_new(void)
}
co = g_malloc0(sizeof(*co));
- co->stack = g_malloc(stack_size);
+ co->stack_size = COROUTINE_STACK_SIZE;
+ co->stack = qemu_alloc_stack(&co->stack_size);
co->base.entry_arg = &old_env; /* stash away our jmp_buf */
uc.uc_link = &old_uc;
uc.uc_stack.ss_sp = co->stack;
- uc.uc_stack.ss_size = stack_size;
+ uc.uc_stack.ss_size = co->stack_size;
uc.uc_stack.ss_flags = 0;
#ifdef CONFIG_VALGRIND_H
co->valgrind_stack_id =
- VALGRIND_STACK_REGISTER(co->stack, co->stack + stack_size);
+ VALGRIND_STACK_REGISTER(co->stack, co->stack + co->stack_size);
#endif
arg.p = co;
@@ -149,7 +150,7 @@ void qemu_coroutine_delete(Coroutine *co_)
valgrind_stack_deregister(co);
#endif
- g_free(co->stack);
+ qemu_free_stack(co->stack, co->stack_size);
g_free(co);
}
--
1.8.3.1
- [Qemu-block] [PULL 03/18] block-backend: remove blk_flush_all, (continued)
- [Qemu-block] [PULL 03/18] block-backend: remove blk_flush_all, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 05/18] block: Drop aio/cache consistency check from qmp_blockdev_add(), Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 06/18] block/qapi: Use separate options type for curl driver, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 08/18] block: Parse 'detect-zeroes' in bdrv_open_common(), Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 04/18] block: Fix error path in qmp_blockdev_change_medium(), Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 11/18] block: Remove qemu_root_bds_opts, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 07/18] block/qapi: Move 'aio' option to file driver, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 16/18] coroutine-sigaltstack: use helper for allocating stack memory, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 10/18] block: Move 'discard' option to bdrv_open_common(), Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 09/18] block: Use 'detect-zeroes' option for 'blockdev-change-medium', Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 15/18] coroutine-ucontext: use helper for allocating stack memory,
Kevin Wolf <=
- [Qemu-block] [PULL 12/18] oslib-posix: add helpers for stack alloc and free, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 13/18] coroutine-sigaltstack: rename coroutine struct appropriately, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 18/18] coroutine: reduce stack size to 60kB, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 17/18] oslib-posix: add a configure switch to debug stack usage, Kevin Wolf, 2016/09/27
- [Qemu-block] [PULL 14/18] coroutine: add a macro for the coroutine stack size, Kevin Wolf, 2016/09/27
- Re: [Qemu-block] [Qemu-devel] [PULL 00/18] Block layer patches, Peter Maydell, 2016/09/27