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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-08-30 09:19:57 -0400 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2023-08-30 09:19:57 -0400 |
| commit | ef9d20c63b64989ce4941dc48531c50728ddcc21 (patch) | |
| tree | 15e1d06992a22b55b8c8e9a9d305080d9c65fdc3 /accel/tcg/cpu-exec-common.c | |
| parent | 813bac3d8d70d85cb7835f7945eb9eed84c2d8d0 (diff) | |
| parent | 669fd6151337fdc81e34f7eb4940ba2f20d89957 (diff) | |
| download | focaccia-qemu-ef9d20c63b64989ce4941dc48531c50728ddcc21.tar.gz focaccia-qemu-ef9d20c63b64989ce4941dc48531c50728ddcc21.zip | |
Merge tag 'pull-tcg-20230829-2' of https://gitlab.com/rth7680/qemu into staging
softmmu: Use async_run_on_cpu in tcg_commit tcg: Remove vecop_list check from tcg_gen_not_vec tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32 Revert "include/exec: typedef abi_ptr to vaddr in softmmu" # -----BEGIN PGP SIGNATURE----- # # iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmTuOcYdHHJpY2hhcmQu # aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV9gGwf/QzbRP8MknlCZXrkZ # ykIZAkE4gRUb64Wzc2Oz1XaueltgBGRCS338oE8umtcLKTngZ8rVFD/LPTIEyAEY # SOzdHEJLPMSUv54rjAV8W4mVku81E9QvzOgz8PIzFM0mDiPJ/lG6JBTee/IZJHr3 # cW9W/2XMEz2rS2ONPj7WXbVbk/1ao29JFlhcWKNauUfqrNWK+VWOpo2w5qfgJruz # mjOSiMErU7SijytrKG9GP3Ri1JGskocfGcYYPofz8j6lmQoZrT6aYUj2tJTL8rvQ # Js+JCP8ZCXFO8/2jJqOivQccBGmLi8wf6Ke777xE0tAqfzXqBOp4tvJbv28e8lja # p+Lqhg== # =KPna # -----END PGP SIGNATURE----- # gpg: Signature made Tue 29 Aug 2023 14:32:38 EDT # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full] # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * tag 'pull-tcg-20230829-2' of https://gitlab.com/rth7680/qemu: Revert "include/exec: typedef abi_ptr to vaddr in softmmu" tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32 tcg: Remove vecop_list check from tcg_gen_not_vec softmmu: Use async_run_on_cpu in tcg_commit softmmu: Assert data in bounds in iotlb_to_section Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'accel/tcg/cpu-exec-common.c')
| -rw-r--r-- | accel/tcg/cpu-exec-common.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/accel/tcg/cpu-exec-common.c b/accel/tcg/cpu-exec-common.c index 9a5fabf625..7e35d7f4b5 100644 --- a/accel/tcg/cpu-exec-common.c +++ b/accel/tcg/cpu-exec-common.c @@ -33,36 +33,6 @@ void cpu_loop_exit_noexc(CPUState *cpu) cpu_loop_exit(cpu); } -#if defined(CONFIG_SOFTMMU) -void cpu_reloading_memory_map(void) -{ - if (qemu_in_vcpu_thread() && current_cpu->running) { - /* The guest can in theory prolong the RCU critical section as long - * as it feels like. The major problem with this is that because it - * can do multiple reconfigurations of the memory map within the - * critical section, we could potentially accumulate an unbounded - * collection of memory data structures awaiting reclamation. - * - * Because the only thing we're currently protecting with RCU is the - * memory data structures, it's sufficient to break the critical section - * in this callback, which we know will get called every time the - * memory map is rearranged. - * - * (If we add anything else in the system that uses RCU to protect - * its data structures, we will need to implement some other mechanism - * to force TCG CPUs to exit the critical section, at which point this - * part of this callback might become unnecessary.) - * - * This pair matches cpu_exec's rcu_read_lock()/rcu_read_unlock(), which - * only protects cpu->as->dispatch. Since we know our caller is about - * to reload it, it's safe to split the critical section. - */ - rcu_read_unlock(); - rcu_read_lock(); - } -} -#endif - void cpu_loop_exit(CPUState *cpu) { /* Undo the setting in cpu_tb_exec. */ |