Revert "accel: kvm: Add aligment assert for kvm_log_clear_one_slot"

This reverts commit 3920552846.
Thomas Huth reported a failure with CentOS 6 guests:

../../devel/qemu/accel/kvm/kvm-all.c:690: kvm_log_clear_one_slot: Assertion `QEMU_IS_ALIGNED(start | size, psize)' failed.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2021-03-09 14:46:11 +01:00
parent 20cf7b8e13
commit 26dbec410e

View File

@ -673,10 +673,6 @@ out:
#define KVM_CLEAR_LOG_ALIGN (qemu_real_host_page_size << KVM_CLEAR_LOG_SHIFT) #define KVM_CLEAR_LOG_ALIGN (qemu_real_host_page_size << KVM_CLEAR_LOG_SHIFT)
#define KVM_CLEAR_LOG_MASK (-KVM_CLEAR_LOG_ALIGN) #define KVM_CLEAR_LOG_MASK (-KVM_CLEAR_LOG_ALIGN)
/*
* As the granule of kvm dirty log is qemu_real_host_page_size,
* @start and @size are expected and restricted to align to it.
*/
static int kvm_log_clear_one_slot(KVMSlot *mem, int as_id, uint64_t start, static int kvm_log_clear_one_slot(KVMSlot *mem, int as_id, uint64_t start,
uint64_t size) uint64_t size)
{ {
@ -686,9 +682,6 @@ static int kvm_log_clear_one_slot(KVMSlot *mem, int as_id, uint64_t start,
unsigned long *bmap_clear = NULL, psize = qemu_real_host_page_size; unsigned long *bmap_clear = NULL, psize = qemu_real_host_page_size;
int ret; int ret;
/* Make sure start and size are qemu_real_host_page_size aligned */
assert(QEMU_IS_ALIGNED(start | size, psize));
/* /*
* We need to extend either the start or the size or both to * We need to extend either the start or the size or both to
* satisfy the KVM interface requirement. Firstly, do the start * satisfy the KVM interface requirement. Firstly, do the start