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From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Subject: [PULL 13/16] Revert "accel: kvm: Add aligment assert for kvm_log_clear_one_slot"
Date: Tue, 16 Mar 2021 17:15:28 -0400	[thread overview]
Message-ID: <20210316211531.1649909-14-pbonzini@redhat.com> (raw)
In-Reply-To: <20210316211531.1649909-1-pbonzini@redhat.com>

This reverts commit 3920552846e881bafa9f9aad0bb1a6eef874d7fb.
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>
---
 accel/kvm/kvm-all.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 37b0a1861e..b6d9f92f15 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -673,10 +673,6 @@ out:
 #define KVM_CLEAR_LOG_ALIGN  (qemu_real_host_page_size << KVM_CLEAR_LOG_SHIFT)
 #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,
                                   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;
     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
      * satisfy the KVM interface requirement.  Firstly, do the start
-- 
2.26.2




  parent reply	other threads:[~2021-03-16 21:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-16 21:15 [PULL 00/16] Fuzzing + bugfix patches for QEMU 6.0 soft freeze Paolo Bonzini
2021-03-16 21:15 ` [PULL 01/16] tests/qtest: Only run fuzz-megasas-test if megasas device is available Paolo Bonzini
2021-03-16 21:15 ` [PULL 02/16] tests/qtest: Only run fuzz-virtio-scsi when virtio-scsi " Paolo Bonzini
2021-03-16 21:15 ` [PULL 03/16] MAINTAINERS: Cover fuzzer reproducer tests within 'Device Fuzzing' Paolo Bonzini
2021-03-16 21:15 ` [PULL 04/16] fuzz: fix the pro100 generic-fuzzer config Paolo Bonzini
2021-03-16 21:15 ` [PULL 05/16] fuzz: don't leave orphan llvm-symbolizers around Paolo Bonzini
2021-03-16 21:15 ` [PULL 06/16] fuzz: add a script to build reproducers Paolo Bonzini
2021-03-16 21:15 ` [PULL 07/16] fuzz: add instructions for building reproducers Paolo Bonzini
2021-03-16 21:15 ` [PULL 08/16] fuzz: add a am53c974 generic-fuzzer config Paolo Bonzini
2021-03-16 21:15 ` [PULL 09/16] memory: add a sparse memory device for fuzzing Paolo Bonzini
2021-04-06 13:29   ` Philippe Mathieu-Daudé
2021-03-16 21:15 ` [PULL 10/16] fuzz: configure a sparse-mem device, by default Paolo Bonzini
2021-03-16 21:15 ` [PULL 11/16] fuzz: move some DMA hooks Paolo Bonzini
2021-03-16 21:15 ` [PULL 12/16] configure: add option to explicitly enable/disable libgio Paolo Bonzini
2021-03-16 21:15 ` Paolo Bonzini [this message]
2021-03-16 21:15 ` [PULL 14/16] scsi: fix sense code for EREMOTEIO Paolo Bonzini
2021-03-16 21:15 ` [PULL 15/16] hw/i8254: fix vmstate load Paolo Bonzini
2021-03-16 21:15 ` [PULL 16/16] qemu-timer: allow freeing a NULL timer Paolo Bonzini
2021-03-18 10:05 ` [PULL 00/16] Fuzzing + bugfix patches for QEMU 6.0 soft freeze Peter Maydell

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