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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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25fedfca94
Rather than calling cond_resched() in kvmppc_run_core() before doing the post-processing for the vcpus that we have just run (that is, calling kvmppc_handle_exit_hv(), kvmppc_set_timer(), etc.), we now do that post-processing before calling cond_resched(), and that post- processing is moved out into its own function, post_guest_process(). The reschedule point is now in kvmppc_run_vcpu() and we define a new vcore state, VCORE_PREEMPT, to indicate that that the vcore's runner task is runnable but not running. (Doing the reschedule with the vcore in VCORE_INACTIVE state would be bad because there are potentially other vcpus waiting for the runner in kvmppc_wait_for_exec() which then wouldn't get woken up.) Also, we make use of the handy cond_resched_lock() function, which unlocks and relocks vc->lock for us around the reschedule. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Alexander Graf <agraf@suse.de> |
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| boot | ||
| configs | ||
| crypto | ||
| include | ||
| kernel | ||
| kvm | ||
| lib | ||
| math-emu | ||
| mm | ||
| net | ||
| oprofile | ||
| perf | ||
| platforms | ||
| sysdev | ||
| xmon | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||
| relocs_check.pl | ||