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qemu/accel
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Richard Henderson 76f9d6ad19 tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128 
We adjust CONFIG_ATOMIC128 and CONFIG_CMPXCHG128 with
CONFIG_ATOMIC128_OPT in atomic128.h.  It is difficult
to tell when those changes have been applied with the
ifdef we must use with CONFIG_CMPXCHG128.  So instead
use HAVE_CMPXCHG128, which triggers -Werror-undef when
the proper header has not been included.

Improves tcg_gen_atomic_cmpxchg_i128 for s390x host, which
requires CONFIG_ATOMIC128_OPT.  Without this we fall back
to EXCP_ATOMIC to single-step 128-bit atomics, which is
slow enough to cause some tests to time out.

Reported-by: Thomas Huth <thuth@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-07-15 08:02:49 +01:00
..
hvf exec/memory: Add symbolic value for memory listener priority for accel 2023-06-28 14:27:59 +02:00
kvm exec/memory: Add symbol for the min value of memory listener priority 2023-06-28 14:27:59 +02:00
qtest meson: Replace CONFIG_SOFTMMU -> CONFIG_SYSTEM_ONLY 2023-06-20 10:01:30 +02:00
stubs accel/kvm: Declare kvm_direct_msi_allowed in stubs 2023-06-28 14:14:22 +02:00
tcg tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128 2023-07-15 08:02:49 +01:00
xen accel/xen: Fix DM state change notification in dm_restrict mode 2023-03-23 09:56:54 +00:00
accel-blocker.c accel: introduce accelerator blocker API 2023-01-11 09:59:39 +01:00
accel-common.c gdbstub: move sstep flags probing into AccelClass 2022-10-06 11:53:41 +01:00
accel-softmmu.c *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
accel-softmmu.h accel: replace struct CpusAccel with AccelOpsClass 2021-02-05 10:24:15 -10:00
accel-user.c accel: extend AccelState and AccelClass to user-mode 2021-02-05 10:24:15 -10:00
dummy-cpus.c accel/qtest: Support qtest accelerator for Windows 2022-10-28 11:17:12 +02:00
Kconfig Add NVMM accelerator: configure and build logic 2021-05-04 14:15:34 +02:00
meson.build meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00