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Bad blambert@, no biscuit.
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"fine" thib@
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Okay deraadt@.
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do it (but doesnt preclude them using it internally).
discussed with krw@ miod@ and deraadt@
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ok art@
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Patch initially from mlarkin@. KNF and refactoring by me.
Suggestions and okay deraadt@.
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naddy@ and several tech@ readers. From Brad.
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Debugging aid, hiding in "option KVA_GUARDPAGES" in config.
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OK dlg@
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is providing to the kernel. this uses the req api i just added, otherwise
attaches and detaches would be run from the context of the process issuing
the ioctls, which then will not be able to answer them since theyre busy
running the attach/detach in the kernel.
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midlayer that a scsi device has appeared or dissapeared. the midlayer will
queue an event and run it in the system workq (which has process context)
to handle the attach or detach.
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driver and is based off of the MI hme(4) driver.
tested with ping6 -w and tcpdump
from brad
OK naddy@, sthen@
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We cannot find gaurantees in the documents that any icache filling from
the cache is terminated by a icache flush or idtlb invalidation, so this is
probably safer, and unlikely to be unsafer.
ok kettenis
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- remove #ifdef someos blocks, makes this a tad easier to read
agreed by art@ and thib@
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ddb does keyword matching so i missed this.
spotted by jasper@
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the kernel to reuse freed pages as quickly as possible, and it has been
finding bugs (some of which we have already fixed)
ok kettenis
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errnos. Note that the error strings are being ignored, since we long ago
decided to not spam the console, and there is no other nice way to use the
errors (without changing the ioctls to pass it back)
The errno is now useful, since we can pass b_error from failing IO up, and
the drive can decide how to use that
ok miod
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errnos. Note that the error strings are being ignored, since we long ago
decided to not spam the console, and there is no other nice way to use the
errors (without changing the ioctls to pass it back)
The errno is now useful, since we can pass b_error from failing IO up, and
the drive can decide how to use that
ok miod
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ok thib@
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won't be called ef(4) anyway.
ok miod@
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for claudio@ ok deraadt@
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use mbufs directly, but the shiny new nfsm_info struct
ok thib@
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prodded by and ok thib@
agreed by art@ and blambert@
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ok dlg@
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this.
ok beck@, dlg@
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should help in future using large pages for text/etc.
Also, since we do not use the .eh frame stuff, we can
nuke them, saving some bytes...
Ok kettenis@, "more control over linking is a good thing,
but I can't comment further" art@.
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Ok oga@, "the time is now" deraadt@.
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some additional code.
ok toby@, oga@
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"do it" thib@
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ok kettenis@
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Patch initially from mlarkin@. KNF and refactoring by me. Okay deraadt@.
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ok marco@
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struct to 0/NULL. no performance impact but way less error prone on
addition of new pkthdr field (as just ran into with a theo diff). ok theo
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we use compile
brilliant cnst, please learn to test better
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running out of mbufs for rx rings.
if the system low watermark is lower than a rx rings low watermark,
we'll never send a packet up the stack, we'll always recycle it.
found by thib@ on a bge
sadface
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ok niklas@
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doesn't have a usuable uncachable bit, whack all other mappings of a page
if we are about to create a non-equivalent writable alias by entering a
mapping for it.
ok art@, miod@
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ok deraadt@
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if no arguments are passed to a variadic macro.
Create a seperate non variadic macro for this fixed argument
case. No binary change.
ok reyk@
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This eliminates the large single namecache hash table, and implements
the name cache as a global lru of entires, and a redblack tree in each
vnode. It makes cache_purge actually purge the namecache entries associated
with a vnode when a vnode is recycled (very important for later on actually being
able to resize the vnode pool)
This commit does #if 0 out a bunch of procmap code that was
already broken before this change, but needs to be redone completely.
Tested by many, including in thib's nfs test setup.
ok oga@,art@,thib@,miod@
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second vc is created. However, it was allocated using the geometry of
the second vc to allocate backing store for the first. Be sure to use
the proper values in case geometries differ.
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which does pay out, performance wise. one of the conditions to call the
interfaces' if_start routine immediately was "send queue is full".
on a very busy (hammered) machine this will itroduce too much latency
since we spend almost all cpu time in interrupt handlers and softnet,
so the softint actually doing the if_start gets called to seldom and
the queue full check is what triggers the actual transmit.
change the logic to call if's if_start routing immediately when there are
at least 8 packets (or in case if maxlen being smaller than 8, maxlen)
8 chose because it shows best performance in my test setup here.
ok dlg
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ok deraadt
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