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We used to use performance cycle counter for cycles(),
but it is kind of useless in userspace as each core
has its own counter and hence not comparable between
cores. Also, the cycle counter stops counting when
the cores are idle.
Most callers expect cycles() to return a high resolution
timestamp instead, so do the best we can do here
and enable the userspace generic timer virtual counter.
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that instead
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sbrk(0) returns the current end address of the BSS segment,
not the base. This might have been confused with the behaviour
of segbrk(), which when given a zero address returns the base.
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> String becomes stringbg so we have guaranteed max contrast in case the
> user changes the picture. (If you don't change the picture, it's
> white-on-black-on-black (sic) and you would never notice the change.)
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This is useful for acmed, and possibly other web
technologies.
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This would break pulling. We would try to index into
a place that didn't exist.
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Also parse title/track artist and year.
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When pulling into a git repository that is group
writable as a non-owner, the pack file is left
in place because we do not have permission to
remove it.
We also leave it behind if we bail out early due
to an error, or due to only listing the changes.
This pushes down the creation of the file, and
cleans it up on error.
thanks to Anthony Martin for spotting the bug.
git/fetch: ensure we clean packfiles on failure
When pulling into a git repository that is group
writable as a non-owner, the pack file is left
in place because we do not have permission to
remove it.
We also leave it behind if we bail out early due
to an error, or due to only listing the changes.
This pushes down the creation of the file, and
cleans it up on error.
Also, while we're here, clean up index caching,
and ensure we close the fd in all cases.
thanks to Anthony Martin for spotting the bug.
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THIS IS AN EX PYTHON!!
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Mobile Workstation (thanks tschak909)
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Lenovo Thinkpad P17 Gen1 Professional Mobile Workstation
comes up with around 36 separate memory ranges.
ridiculous!
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we have to protect the temporary buffer allocated by rwfield()
as rwreg() calls amlmapio() which might cause further aml code
execution causing gc() which frees it under us (as it is not
referenced from the interpreter state).
this fixes a panic on boot of a
Lenovo Thinkpad P17 Gen1 Professional Mobile Workstation
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before DriverOk flag
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when a virtio device gets reset, we have to also reset the device
shadow indices: availableidx and usedidx. for extra safetly,
we also reset the buffer descriptor table addresses.
this is accomplished by adding a vioqreset(VIOQueue*) function
that brings the queue to its initial reset state.
this fixes non functional ethernet after reboot(8).
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The new interface uses pci capability structures to locate the
registers in a rather fine granular way making it more complicated
as they can be located anywhere in any pci bar at any offset.
As far as i can see, qemu (6.0.50) never uses i/o bars in
non-legacy mode, so only mmio is implemented for now.
The previous virtio drivers implemented the legacy interface only
which uses i/o ports for all register accesses. This is still
the preferred method (and also qemu default) as it is easier to
emulate and most likely faster.
However, some vps providers like vultr force the legacy interface
to disabled with qemu -device option "disable-legacy=on" resulting
on a system without a disk and ethernet.
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(virtio)
This used to be a internal function, but virtio
uses multiple structures with the same cap type
to indicate the location of various register
blocks in the pci bars so export it.
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fn foo @{bar} is now equivalent to
fn foo {@{bar}}. As a side effect,
this disallows creating functions
named after keywords without first
quoting them.
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X509to*pub() name buffer
We need a way to parse a rsa certificate request and return the public
key and subject names. The new function X509reqtoRSApub() works the
same way as X509toRSApub() but on a certificate request.
We also need to support certificates that are valid for multiple domain
names (as tlshand does not support certificate selection). For this
reason, a comma separated list is returned as the certificate subject,
making it symmetric to X509rsareq() handling.
A little helper is provided with this change (auth/x5092pub) that takes
a certificate (or a certificate request when -r flag is provided) and
outputs the RSA public key in plan 9 format appended with the subject
attribute.
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git/export *almost* produces output that can be
emailed with upas using
git/export $commit | mail maintainer@site.com
but, the
From: commit-id date
line that git generates trips it up. Luckily,
'git am' doesn't seem to care much if that line
is missing, so we can simply omit it with no issue.
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There are a number of alphabets in common use for base32
and base64 encoding, such as url-safe encodings.
This adds support for passing a function to encode into
arbitary alphabets.
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the old implementation was correct; we want to
mark it dirty and let walk sort it out.
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git/revert: fix previous commit (helps if you save the file, thanks qwx)
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Authsrv(6) used to be called auth(6) before
the fourth edition and was preprocessed by
eqn(6) before the third edition. The mkfile
was never updated to reflect the changes.
All other files are accounted for:
% cd /sys/man
% for(i in TS EQ PS G1) echo $i `{grep -l '^\.'$i ?/[0-9a-z]*}
TS 1/tbl
EQ 1/eqn 3/usb
PS 1/pic
G1 1/grap
%
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It was erroneously elided when removing
the tpic command in commit 891a8c4f2.
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It was accidentally removed when documenting
the sticky segment type in commit 99ed9623b.
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