Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Fix compilation issues under Debian 10
* Update kernel headers to 6.3rc5
* Suppress GCC13 false positive in aio_bh_poll()
* Add new x86 feature bits
* Coverity fixes
* More steps towards removing qatomic_mb_set/read
* Fix reduced-phys-bits value for AMD SEV

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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  cpus-common: stop using mb_set/mb_read
  async: Suppress GCC13 false positive in aio_bh_poll()
  tests: vhost-user-test: release mutex on protocol violation
  Update linux headers to v6.3rc5
  update-linux-headers.sh: Add missing kernel headers.
  Fix libvhost-user.c compilation.
  target/i386: Add support for PREFETCHIT0/1 in CPUID enumeration
  target/i386: Add support for AVX-NE-CONVERT in CPUID enumeration
  target/i386: Add support for AVX-VNNI-INT8 in CPUID enumeration
  target/i386: Add support for AVX-IFMA in CPUID enumeration
  target/i386: Add support for AMX-FP16 in CPUID enumeration
  target/i386: Add support for CMPCCXADD in CPUID enumeration
  i386/cpu: Update how the EBX register of CPUID 0x8000001F is set
  i386/sev: Update checks and information related to reduced-phys-bits
  qemu-options.hx: Update the reduced-phys-bits documentation
  qapi, i386/sev: Change the reduced-phys-bits value from 5 to 1

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/util/async.c b/util/async.c
index a9b528c370..9df7674b4e 100644
--- a/util/async.c
+++ b/util/async.c
@@ -180,7 +180,21 @@ int aio_bh_poll(AioContext *ctx)
 
     /* Synchronizes with QSLIST_INSERT_HEAD_ATOMIC in aio_bh_enqueue().  */
     QSLIST_MOVE_ATOMIC(&slice.bh_list, &ctx->bh_list);
+
+    /*
+     * GCC13 [-Werror=dangling-pointer=] complains that the local variable
+     * 'slice' is being stored in the global 'ctx->bh_slice_list' but the
+     * list is emptied before this function returns.
+     */
+#if !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic ignored "-Wdangling-pointer="
+#endif
     QSIMPLEQ_INSERT_TAIL(&ctx->bh_slice_list, &slice, next);
+#if !defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
 
     while ((s = QSIMPLEQ_FIRST(&ctx->bh_slice_list))) {
         QEMUBH *bh;