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Revert "epoll_wait(): make sure to schedule in offload"

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This reverts commit 5e44c9c9f9.

Change-Id: I826336f1ece31a84072c3e62c6c6c68a641e8fb5
This commit is contained in:
Masamichi Takagi
2020-06-30 16:50:21 +09:00
parent d7ef74659b
commit 5973d66e2d
2 changed files with 0 additions and 6 deletions
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1
arch/arm64/kernel/include/syscall_list.h
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@@ -142,4 +142,3 @@ SYSCALL_HANDLED(1045, signalfd)
SYSCALL_DELEGATED(1049, stat) SYSCALL_DELEGATED(1049, stat)
SYSCALL_DELEGATED(1060, getpgrp) SYSCALL_DELEGATED(1060, getpgrp)
SYSCALL_HANDLED(1062, time) SYSCALL_HANDLED(1062, time)
SYSCALL_DELEGATED(1069, epoll_wait)

5
kernel/syscall.c
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@@ -242,10 +242,6 @@ long do_syscall(struct syscall_request *req, int cpu)
unsigned long flags; unsigned long flags;
DECLARE_WAITQ_ENTRY(scd_wq_entry, cpu_local_var(current)); DECLARE_WAITQ_ENTRY(scd_wq_entry, cpu_local_var(current));
if (req->number == __NR_epoll_wait ||
req->number == __NR_epoll_pwait)
goto schedule;
cpu_pause(); cpu_pause();
/* Spin if not preemptable */ /* Spin if not preemptable */
@@ -274,7 +270,6 @@ long do_syscall(struct syscall_request *req, int cpu)
continue; continue;
} }
schedule:
flags = cpu_disable_interrupt_save(); flags = cpu_disable_interrupt_save();
/* Try to sleep until notified */ /* Try to sleep until notified */