DEVICE_POLLING is an alternative to network interrupts and also
needs to enter epoch. Assert that in the netisr_poll() and do the work for the idle poll routine.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=357007
@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
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#include <sys/kernel.h>
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#include <sys/kthread.h>
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#include <sys/proc.h>
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#include <sys/epoch.h>
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#include <sys/eventhandler.h>
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#include <sys/resourcevar.h>
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#include <sys/socket.h> /* needed by net/if.h */
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@ -332,6 +333,7 @@ hardclock_device_poll(void)
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static void
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ether_poll(int count)
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{
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struct epoch_tracker et;
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int i;
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mtx_lock(&poll_mtx);
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@ -339,8 +341,10 @@ ether_poll(int count)
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if (count > poll_each_burst)
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count = poll_each_burst;
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NET_EPOCH_ENTER(et);
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for (i = 0 ; i < poll_handlers ; i++)
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pr[i].handler(pr[i].ifp, POLL_ONLY, count);
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NET_EPOCH_EXIT(et);
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mtx_unlock(&poll_mtx);
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}
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@ -429,6 +433,8 @@ netisr_poll(void)
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int i, cycles;
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enum poll_cmd arg = POLL_ONLY;
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NET_EPOCH_ASSERT();
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if (poll_handlers == 0)
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return;
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