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a36ed4ef19
freebsd-skq/sys
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brooks a36ed4ef19 Avoid two suword() calls per auxarg entry. 
Instead, construct an auxargs array and copy it out all at once.

Use an array of Elf_Auxinfo rather than pairs of Elf_Addr * to represent
the array. This is the correct type where pairs of words just happend
to work. To reduce the size of the diff, AUXARGS_ENTRY is altered to act
on this array rather than introducing a new macro.

Return errors on copyout() and suword() failures and handle them in the
caller.

Incidentally fixes AT_RANDOM and AT_EXECFN in 32-bit linux on amd64
which incorrectly used AUXARG_ENTRY instead of AUXARGS_ENTRY_32
(now removed due to the use of proper types).

Reviewed by:	kib
Comments from:	emaste, jhb
Obtained from:	CheriBSD
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D15485
2018-05-24 16:25:18 +00:00
..
amd64 Avoid two suword() calls per auxarg entry. 2018-05-24 16:25:18 +00:00
arm Allow us to read the physmap data into our own array and use this to build 2018-05-24 15:32:49 +00:00
arm64 Remove physmap from the arm64 machdep.h. This was missed in r334162. 2018-05-24 16:07:47 +00:00
bsm
cam Implement initial MMC partitions support for MMCCAM. 2018-05-22 22:16:49 +00:00
cddl Fix 'zpool create -t <tempname>' 2018-05-15 13:27:29 +00:00
compat UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
conf arm64: rockchip: Add proper armclock support 2018-05-23 19:07:03 +00:00
contrib ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
crypto disable printing value of SKEIN_LOOP during standard out, 2018-05-19 18:27:14 +00:00
ddb Fix PPC symbol resolution 2018-05-10 03:59:48 +00:00
dev Add Peraso Technologies, Inc. to the list. 2018-05-24 15:47:15 +00:00
dts arm: overlays: Update to new path-based sugar format 2018-05-04 14:38:48 +00:00
fs nfsclient: warnings cleanups 2018-05-20 06:14:12 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom Introduce the 'n' flag for the geli attach command. 2018-05-09 20:53:38 +00:00
gnu gnu/dts: Update our copy of arm dts from Linux 4.16 2018-04-20 19:37:08 +00:00
i386 Avoid two suword() calls per auxarg entry. 2018-05-24 16:25:18 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern Avoid two suword() calls per auxarg entry. 2018-05-24 16:25:18 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern Remove "All rights reserved" from my files. 2018-05-10 06:41:08 +00:00
mips Include kernel modules for MALTA kernels. 2018-05-16 17:54:40 +00:00
modules disable set but not used on code that can't be changed 2018-05-19 04:46:34 +00:00
net UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
net80211 Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
netgraph Catch up two more places to the V_ifnet change to a CK_STAILQ. 2018-05-24 00:06:55 +00:00
netinet convert allocations to INVARIANTS M_ZERO 2018-05-24 01:04:56 +00:00
netinet6 UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
netipsec Add a SPD cache to speed up lookups. 2018-05-22 15:54:25 +00:00
netpfil UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
netsmb Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 2018-05-09 18:47:24 +00:00
nfs UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
opencrypto cryptosoft: Do not exceed crd_len around *crypt_multi 2018-04-19 15:24:21 +00:00
powerpc Add an IPMI attachment for PowerNV systems 2018-05-22 03:57:32 +00:00
riscv Export a breakpoint() function to userland for riscv. 2018-05-16 16:56:35 +00:00
rpc
security Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
sparc64 Enable kernel dump features in GENERIC for most platforms. 2018-05-19 19:53:23 +00:00
sys Avoid two suword() calls per auxarg entry. 2018-05-24 16:25:18 +00:00
teken teken: Rename the "Set Cursor Style" sequence to match vt100.net docs 2018-05-21 20:35:16 +00:00
tests epoch(9): Make epochs non-preemptible by default 2018-05-18 17:29:43 +00:00
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs ufs: remove cgbno variable where unused 2018-05-19 19:30:42 +00:00
vm Split the active and inactive queue scans into separate subroutines. 2018-05-24 14:16:22 +00:00
x86 xen/pvh: allocate dbg_stack 2018-05-24 10:22:57 +00:00
xdr
xen xen: fix gntdev 2018-05-02 10:19:17 +00:00
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