Frans Kaashoek
077323a8f0
Rename icache to itable
...
The inode cache isn't really a cache. The main purpose of it is to
allow for synchronization (locking individual inodes), providing
long-lived references to inodes, and ensuring that there is only inode
in memory.
2020-11-23 19:30:15 -05:00
Robert Morris
6e3f75c2aa
suppress an incorrect error message in grind
2020-11-19 16:48:41 -05:00
Frans Kaashoek
231c08dc5e
Merge remote-tracking branch 'refs/remotes/origin/riscv' into riscv
2020-11-05 19:51:41 -05:00
Frans Kaashoek
60b63b9d07
x
2020-11-05 19:50:46 -05:00
Frans Kaashoek
ef97f65025
kill/status test
2020-11-05 19:50:46 -05:00
Frans Kaashoek
b4c2851bb3
Be principled: acquire lock first
2020-11-05 19:50:46 -05:00
Robert Morris
38084bcea8
proc_tree_lock -> wait_lock
2020-11-05 19:50:46 -05:00
Robert Morris
ba8d9f4808
don't over-lock in exit()
2020-11-05 19:50:46 -05:00
Frans Kaashoek
9599a8e616
x
2020-11-05 19:00:37 -05:00
Frans Kaashoek
d7b308fe81
kill/status test
2020-11-05 18:50:02 -05:00
Frans Kaashoek
b63d3506e9
Be principled: acquire lock first
2020-11-05 12:27:32 -05:00
Robert Morris
774288e05a
proc_tree_lock -> wait_lock
2020-11-05 09:47:59 -05:00
Robert Morris
bc943c2309
don't over-lock in exit()
2020-11-05 07:32:10 -05:00
Robert Morris
47323c97cf
oops
2020-11-05 06:56:51 -05:00
Robert Morris
2875069973
Frans' proc_lock.
2020-11-05 06:56:51 -05:00
Robert Morris
b48ea5d220
free proc if kalloc fails
2020-11-05 06:56:51 -05:00
Robert Morris
5e392531c0
hopefully make writei more correct
2020-11-05 06:56:51 -05:00
Robert Morris
e1bb4c7434
test for closed pipe or killed on every char, not just if pipe full
2020-11-05 06:56:51 -05:00
Robert Morris
329935eca8
fix uart.c to work with UART_TX_BUF_SIZE == 1
2020-11-05 06:56:51 -05:00
Robert Morris
13dccb0380
consolewrite does not need cons.lock -- can lead to sleep() with lock held
2020-11-05 06:56:51 -05:00
Robert Morris
7dea4b93c8
oops
2020-11-03 16:35:20 -05:00
Robert Morris
8d4fbc6e2a
Frans' proc_lock.
2020-11-03 15:02:08 -05:00
Robert Morris
af570f582c
free proc if kalloc fails
2020-11-01 11:11:38 -05:00
Robert Morris
d7c0a1b7a7
hopefully make writei more correct
2020-10-23 10:18:30 -04:00
Robert Morris
147855e521
test for closed pipe or killed on every char, not just if pipe full
2020-10-22 06:36:36 -04:00
Robert Morris
4df1a265cb
fix uart.c to work with UART_TX_BUF_SIZE == 1
2020-10-20 07:02:44 -04:00
Robert Morris
55ad99f729
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
2020-10-20 06:58:58 -04:00
Robert Morris
286b2f3c33
consolewrite does not need cons.lock -- can lead to sleep() with lock held
2020-10-20 06:55:51 -04:00
Fumiya Shigemitsu
05a7db1a0a
Fix minor typos
2020-10-14 20:28:46 -04:00
Frans Kaashoek
d4cecb269f
kvmmake() makes a complete kernel page table, matching Figure 3.3
2020-10-14 20:28:16 -04:00
Robert Morris
21cfc97809
set riscv use-compressed-breakpoints yes
2020-10-14 20:28:16 -04:00
Fumiya Shigemitsu
93378618df
Fix minor typos
2020-10-14 20:28:14 -04:00
Frans Kaashoek
c64aa44d7b
kvmmake() makes a complete kernel page table, matching Figure 3.3
2020-10-14 20:03:14 -04:00
Robert Morris
806580d642
set riscv use-compressed-breakpoints yes
2020-10-07 12:57:55 -04:00
Robert Morris
bebecfd6fd
more explicable scratch area size for machine-mode timer interrupts
2020-10-05 19:30:27 -04:00
Frans Kaashoek
c199afe4c8
Don't map the CLINT, since it never used in the kernel in supervisor mode
2020-10-05 19:30:27 -04:00
Robert Morris
c61cc69413
eliminate virtio DMA into kernel stacks.
2020-10-05 19:30:27 -04:00
Robert Morris
3092fe2c9e
improve virtio_disk comments; bring it closer to wording in the spec
2020-10-05 19:30:27 -04:00
Robert Morris
548ffc97e1
don't unpin if recovering -- the resulting negative refcnt suppresses next unpin
2020-10-05 19:30:27 -04:00
Robert Morris
aeaf610c67
avoid deadlock by disk intr acking interrupt first, then processing ring
2020-10-05 19:30:27 -04:00
Robert Morris
3c70be9070
often causes deadlock after a few minutes
2020-10-05 19:30:27 -04:00
Robert Morris
6c16759503
more explicable scratch area size for machine-mode timer interrupts
2020-10-05 15:28:01 -04:00
Frans Kaashoek
0c55849d28
Don't map the CLINT, since it never used in the kernel in supervisor mode
2020-10-05 09:18:23 -04:00
Robert Morris
a9b3dd457c
eliminate virtio DMA into kernel stacks.
2020-10-05 06:59:33 -04:00
Robert Morris
271d89ae30
improve virtio_disk comments; bring it closer to wording in the spec
2020-10-05 06:26:58 -04:00
Robert Morris
da002a48fb
don't unpin if recovering -- the resulting negative refcnt suppresses next unpin
2020-10-04 13:29:04 -04:00
Robert Morris
792d60e912
avoid deadlock by disk intr acking interrupt first, then processing ring
2020-10-04 09:21:03 -04:00
Robert Morris
e3672e018a
often causes deadlock after a few minutes
2020-10-04 08:44:32 -04:00
Fumiya Shigemitsu
9c8d1e2909
Fix minor typos
2020-10-03 16:36:20 -04:00
Frans Kaashoek
f2827b2c7b
Clarify CLINT and PLIC acronym
2020-10-03 16:36:20 -04:00
