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Use better variable names (cf. https://jmilne.org/math/tips.html#4) and
avoid the weird style of assigning to r (what does r stand for anyway?)
and short circuiting subsequent tests using if (r || ...). Also, do not
reuse the variables for order and cofactor that were previously used for
the curve coefficients.
ok jsing
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the ioctls are here, the offload header is next.
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userland can request that network packets that are read from or
written to the device special file get prepended with a "tun_hdr"
struct. this struct contains bits which say what offloads are
requested for the packet, including things like ip/tcp/udp/icmp
checksums, tcp segmentation offloads, or ethernet vlan tags.
userland can write a packet with any of these offloads requested
into the kernel at any time, but has to request which ones it's
able to handle coming from the kernel. enabling the tun_hdr struct
and which offloads userland can handle is done with a new TUNSCAP
ioctl.
this is based on the virtio_net_hdr in linux, which jan@ actually
implemented and had working with vmd. however, claudio@ and i
strongly opposed to what feels like a layer violation by pulling
virtio structures into the tun driver, and then trying to emulate
virtio/linux semantics in our network stack, and playing catch up
when the "upstream" projects decide to change the shape or meaning
of these bits. tun_hdr is specific to the openbsd network stack and
it's semantics, which simplifies our kernel implementation. jan has
been pretty gracious about the extra work on the vmd side of things.
tested by and ok jan@
ok claudio@
sthen@ backed this out cos of confusion with the ioctl numbers i
picked to controlling this feature. i've picked new numbers that
don't conflict this time.
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controller. It is used as doorbell for the arm-scmi perf protocol and
a prerequisite for cpu frequency management on X Elite chips.
ok patrick@
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The only caller passes in num = 1 and is itself called in a path that
ensures that the multiplier of the generator is != NULL. Consequently
we don't need to deal with an array of points and an array of scalars
so rename them accordingly.
In addition, the change implies that numblocks and num_scalar are now
always 1, so inline this information and take a first step towards
disentangling this gordian knot.
ok jsing
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This provides a SHA-256 assembly implementation for amd64, which uses
the Intel SHA Extensions (aka SHA New Instructions or SHA-NI). This
provides a 3-5x performance gain on some Intel CPUs and many AMD CPUs.
ok tb@
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Now that we have replacement SHA-256 and SHA-512 assembly implementations
for amd64, sha512-x86_64.pl can go the way of the dodo.
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Replace the perlasm generated SHA-512 assembly with a more readable
version and the same C wrapper introduced for SHA-256. As for SHA-256,
on a modern CPU the performance is largely the same.
ok tb@
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If any other signal is pending the stop signal should be deferred.
Now cursig() uses ffs() to select the signal and so higher numbered
signals like SIGUSR1 would be ignored when going to sleep.
So handle default stop signals specially in the deep case, stash them
and only use them if no other signal is pending.
Fix for signal-stress regress (problem reported by anton@)
With and OK mpi@
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This also provides a crypto_cpu_caps_amd64 variable that can be checked
for CRYPTO_CPU_CAPS_AMD64_SHA.
ok tb@
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setsigctx() now does this check and clears sig_stop in that case and
instead set sig_ignore. So the check in cursig that is based on sig_stop
can never be true.
OK mpi@
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Missing sizes spotted by guenther@
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Prevent a race where anything can happen on `pve' resultint in an incorrect
locking of a given pmap. Found the hardway by sthen@.
ok jsg@, miod@, kettenis@, jca@
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(Many examples in this directory are really bad. This is no exception.)
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This codes runs under IPL_NET. Interrupt processing would get delayed
until the ioctl handler was done which is probably not what the device
is expecting.
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dlg@ advised me that our drivers should always configure the largest
frame size supported by hardware
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clients). From laur dot aliste at gmail dot com, GitHub issue 4242.
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From Michael Grant, GitHub issue 4241.
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GitHub issue 4231.
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As most other objects, EC_KEYs can be as sparsely and invalidly populated
as imagination permits and the competent designers of EC_KEY_copy() chose
to just copy over what's available (yeah, what kind of copy is that?) and
leave in place what happens to be there. In particular, if the dest EC key
was used with a different group and has a private key, but the source key
doesn't, the dest private key remains intact, as invalid, incompatible and
unusable as it may be. Fix this by clearing said private key.
ok jsing
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From Antonio Quartulli
a613a392417532ca5aaf3deac6e3277aa7aaef2b in linux-6.6.y/6.6.61
a6dd15981c03f2cdc9a351a278f09b5479d53d2e in mainline linux
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From Lijo Lazar
3930715c1aefe8e5cbca94144081aa08b466d571 in linux-6.6.y/6.6.61
3ce3f85787352fa48fc02ef6cbd7a5e5aba93347 in mainline linux
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From Alex Deucher
e2574b57990d482cb4310f8d571e728741c711c8 in linux-6.6.y/6.6.61
b46dadf7e3cfe26d0b109c9c3d81b278d6c75361 in mainline linux
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From Alex Deucher
8906728f2fbd6504cb488f4afdd66af28f330a7a in linux-6.6.y/6.6.61
4d75b9468021c73108b4439794d69e892b1d24e3 in mainline linux
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From Alex Deucher
5a8ae5fa576c3315c0b3ce0b0aec2e5d1aadebc9 in linux-6.6.y/6.6.61
f790a2c494c4ef587eeeb9fca20124de76a1646f in mainline linux
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ok kettenis@
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tb@ agrees
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ok claudio
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