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Merge tag 'kvm-x86-generic-6.12' of https://github.com/kvm-x86/linux into HEAD

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KVK generic changes for 6.12:

 - Fix a bug that results in KVM prematurely exiting to userspace for coalesced
   MMIO/PIO in many cases, clean up the related code, and add a testcase.

 - Fix a bug in kvm_clear_guest() where it would trigger a buffer overflow _if_
   the gpa+len crosses a page boundary, which thankfully is guaranteed to not
   happen in the current code base.  Add WARNs in more helpers that read/write
   guest memory to detect similar bugs.
This commit is contained in:
Paolo Bonzini
2024-09-14 09:34:30 -04:00
parent c09dd2bb57 025dde582b
commit 7056c4e2a1
5 changed files with 283 additions and 24 deletions
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3
tools/testing/selftests/kvm/Makefile
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@@ -130,6 +130,7 @@ TEST_GEN_PROGS_x86_64 += x86_64/max_vcpuid_cap_test
TEST_GEN_PROGS_x86_64 += x86_64/triple_fault_event_test
TEST_GEN_PROGS_x86_64 += x86_64/recalc_apic_map_test
TEST_GEN_PROGS_x86_64 += access_tracking_perf_test
TEST_GEN_PROGS_x86_64 += coalesced_io_test
TEST_GEN_PROGS_x86_64 += demand_paging_test
TEST_GEN_PROGS_x86_64 += dirty_log_test
TEST_GEN_PROGS_x86_64 += dirty_log_perf_test
@@ -167,6 +168,7 @@ TEST_GEN_PROGS_aarch64 += aarch64/vpmu_counter_access
TEST_GEN_PROGS_aarch64 += aarch64/no-vgic-v3
TEST_GEN_PROGS_aarch64 += access_tracking_perf_test
TEST_GEN_PROGS_aarch64 += arch_timer
TEST_GEN_PROGS_aarch64 += coalesced_io_test
TEST_GEN_PROGS_aarch64 += demand_paging_test
TEST_GEN_PROGS_aarch64 += dirty_log_test
TEST_GEN_PROGS_aarch64 += dirty_log_perf_test
@@ -201,6 +203,7 @@ TEST_GEN_PROGS_s390x += kvm_binary_stats_test
TEST_GEN_PROGS_riscv += riscv/sbi_pmu_test
TEST_GEN_PROGS_riscv += riscv/ebreak_test
TEST_GEN_PROGS_riscv += arch_timer
TEST_GEN_PROGS_riscv += coalesced_io_test
TEST_GEN_PROGS_riscv += demand_paging_test
TEST_GEN_PROGS_riscv += dirty_log_test
TEST_GEN_PROGS_riscv += get-reg-list