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763107f26c
freebsd-dev/sys
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Mitchell Horne 763107f26c Introduce kdb-level watchpoint functions 
This basically mirrors what already exists in ddb, but provides a
slightly improved interface. It allows the caller to specify the
watchpoint access type, and returns more specific error codes to
differentiate failure cases.

This will be used to support hardware watchpoints in gdb(4).

Stubs are provided for architectures lacking hardware watchpoint logic
(mips, powerpc, riscv), while other architectures are added individually
in follow-up commits.

Reviewed by:	jhb, kib, markj
MFC after:	3 weeks
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D29155
2021-03-29 12:05:43 -03:00
..
amd64 amd64: Make KPDPphys local to pmap.c 2021-03-24 09:57:31 -04:00
arm Consolidate machine/endian.h definitions 2021-03-26 19:00:22 -03:00
arm64 Consolidate machine/endian.h definitions 2021-03-26 19:00:22 -03:00
bsm Add aio_writev and aio_readv 2021-01-02 19:57:58 -07:00
cam cam: Run all XPT_ASYNC ccbs in a dedicated thread 2021-03-12 13:29:42 -07:00
cddl Teach DTrace that unaligned accesses are OK on aarch64, not just x86. 2021-03-22 23:57:19 +00:00
compat Reduce chance of RCU deadlock in the LinuxKPI by implementing the section 2021-03-29 10:55:14 +02:00
conf arm64: Check dtb version against the one we're expecting to find 2021-03-23 15:24:53 +01:00
contrib zfs: Cherry-pick upstream commit ef977fce66 to fix macOS/arm64 bootstrap 2021-03-27 02:23:59 +00:00
crypto armv8crypto: note derivation in armv8_crypto_wrap.c 2021-03-19 10:53:49 -03:00
ddb ddb: enable the use of ^C and ^S/^Q 2021-03-14 16:04:27 -07:00
dev Fix several dev_clone callbacks to avoid out-of-bounds reads 2021-03-28 11:08:36 -04:00
dts dts: Bump the freebsd branding version to 5.10 2021-03-23 15:02:21 +01:00
fs nfsv4 client: fix forced dismount when sleeping in the renew thread 2021-03-23 13:04:37 -07:00
gdb Use atomic loads/stores when updating td->td_state 2021-02-18 14:02:48 +00:00
geom gmirror: Pre-allocate the timeout event structure 2021-03-11 15:45:15 -05:00
gnu Remove the old dts imported tree. 2021-01-15 20:09:55 +01:00
i386 Remove PCPU_INC 2021-03-20 19:23:59 -07:00
isa Move back the isa non-PNP driver deadline to FreeBSD 14. 2021-03-08 16:00:23 -07:00
kern Fix several dev_clone callbacks to avoid out-of-bounds reads 2021-03-28 11:08:36 -04:00
kgssapi opencrypto: Introduce crypto_dispatch_async() 2021-02-08 09:19:19 -05:00
libkern random(9): Restore historical [0,2^31-1] output range and related man 2021-03-24 16:14:58 +11:00
mips Introduce kdb-level watchpoint functions 2021-03-29 12:05:43 -03:00
modules ndis: remove leftover sys/modules/ndis 2021-03-25 14:31:00 -04:00
net netmap: iflib: add nm_config callback 2021-03-29 09:31:18 +00:00
net80211 net80211: prefix get_random_bytes() with net80211_ 2021-03-24 22:16:09 +00:00
netgraph netgraph/ng_bridge: Add counters for the first link, too 2021-02-10 19:05:37 +01:00
netinet tcp: reduce memory footprint when listing tcp hostcache 2021-03-28 23:50:23 +02:00
netinet6 base: remove if_wg(4) and associated utilities, manpage 2021-03-17 09:14:48 -05:00
netipsec Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors." 2021-02-08 22:32:32 +00:00
netpfil pf: remove obsolete reference to ndis(4) in a comment 2021-03-25 14:44:30 -04:00
netsmb
nfs Fix panic when using BOOTP to resolve root path. 2021-03-28 14:02:40 -05:00
nfsclient nfs: Cleanup dead files 2021-03-17 06:16:31 +11:00
nfsserver nfs: Cleanup dead files 2021-03-17 06:16:31 +11:00
nlm
ofed ipoib: Fix incorrectly computed IPOIB_CM_RX_SG value. 2021-03-25 16:55:37 +01:00
opencrypto ktls: Fix non-inplace TLS 1.3 encryption. 2021-03-10 11:07:40 -08:00
powerpc Introduce kdb-level watchpoint functions 2021-03-29 12:05:43 -03:00
riscv Introduce kdb-level watchpoint functions 2021-03-29 12:05:43 -03:00
rpc nfs-over-tls: handle res.gid.gid_val correctly for memory allocation 2021-01-12 13:59:52 -08:00
security Add a comment on why the call to mac_vnode_relabel() might be in the wrong 2021-02-27 16:25:26 +00:00
sys Introduce kdb-level watchpoint functions 2021-03-29 12:05:43 -03:00
teken loader: implement framebuffer console 2021-01-02 21:41:36 +02:00
tests Enable running fib tests inside vnet jail. 2021-01-17 20:32:26 +00:00
tools syscalls.master: Add a new syscall type: RESERVED 2021-01-26 18:27:44 +00:00
ufs softdep_unmount: assert that no dandling dependencies are left 2021-03-12 13:31:08 +02:00
vm vm_fault: handle KERN_PROTECTION_FAILURE 2021-03-27 20:16:27 +02:00
x86 Consolidate machine/endian.h definitions 2021-03-26 19:00:22 -03:00
xdr
xen xen: move x86-specific xen_vector_callback_enabled to sys/x86 2021-03-15 14:20:21 +01:00
Makefile