[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 1/6] util/oslib-win32: Use _aligned_malloc for qemu_try_memali
From: |
Richard Henderson |
Subject: |
[PATCH v2 1/6] util/oslib-win32: Use _aligned_malloc for qemu_try_memalign |
Date: |
Tue, 15 Sep 2020 17:46:33 -0700 |
We do not need or want to be allocating page sized quanta.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
Cc: Stefan Weil <sw@weilnetz.de>
---
util/oslib-win32.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index c654dafd93..8d838bf342 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -56,10 +56,8 @@ void *qemu_try_memalign(size_t alignment, size_t size)
{
void *ptr;
- if (!size) {
- abort();
- }
- ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
+ assert(size != 0);
+ ptr = _aligned_malloc(alignment, size);
trace_qemu_memalign(alignment, size, ptr);
return ptr;
}
@@ -93,9 +91,7 @@ void *qemu_anon_ram_alloc(size_t size, uint64_t *align, bool
shared)
void qemu_vfree(void *ptr)
{
trace_qemu_vfree(ptr);
- if (ptr) {
- VirtualFree(ptr, 0, MEM_RELEASE);
- }
+ _aligned_free(ptr);
}
void qemu_anon_ram_free(void *ptr, size_t size)
--
2.25.1
- [PATCH v2 0/6] qom: Allow object to be aligned, Richard Henderson, 2020/09/15
- [PATCH v2 1/6] util/oslib-win32: Use _aligned_malloc for qemu_try_memalign,
Richard Henderson <=
- [PATCH v2 3/6] target/arm: Set instance_align on CPUARM TypeInfo, Richard Henderson, 2020/09/15
- [PATCH v2 2/6] qom: Allow objects to be allocated with increased alignment, Richard Henderson, 2020/09/15
- [PATCH v2 4/6] target/ppc: Set instance_align on PowerPCCPU TypeInfo, Richard Henderson, 2020/09/15
- [PATCH v2 5/6] target/riscv: Set instance_align on RISCVCPU TypeInfo, Richard Henderson, 2020/09/15
- [PATCH v2 6/6] target/s390x: Set instance_align on S390CPU TypeInfo, Richard Henderson, 2020/09/15