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Add new settings which can be used to control cpuset based cpu affinity
during the startup phase only.
Signed-off-by: Peter Morrow <pemorrow@linux.microsoft.com>
This also changes the logic when Priority= is not specified.
Previously, we request without FRA_PRIORITY attribute and kernel picks
the highest unused priority for the rule.
This makes networkd picks the highest unused priority and always request
FRA_PRIORITY attribute.
In sd_journal_enumerate_fields(), we check if we've already handled
a field by checking if we can find it in any of the already processed
journal files. We do this by calling
journal_file_find_field_object_with_hash(), which compares the size,
payload and hash of the given field against all fields in a journal file,
trying to find a match. However, since we now use per file hash functions,
hashes for the same fields will differ between different journal files,
meaning we'll never find an actual match.
To fix the issue(), let's use journal_file_find_field_object() when one
or more of the files we're comparing is using per file keyed hashes.
journal_file_find_field_object() only takes the field payload and size
as arguments and calculates the hash itself using the hash function from
the journal file we're searching in.
NET_DEV_FEAT_TX matches multiple features. In the next commit, all
features whose strings start with "tx-checksum-" will be added.
To make them take precedence over NET_DEV_FEAT_TX, it will be applied
only when each explicit feature is not applied.
This is an effort to compile a somewhat complete list how PCRs are
actually used on Linux systems these days. It contains data from: the
UEFI PC spec, the shim, the IMA, grub documentation.
I validated these PCRs to some level in the sources.
The grub specific stuff I only added in comments, since I was too lazy
too validate it (also, meh, grub).
It also gives people a hint on which PCR to bind to (and maybe kind of
an explanation of our default choice).
Previously, if a unit file which contains n IPAddressAllow/Deny= lines,
then the computational order of parsing the file was O(n^3), as
ip_address_access_reduce(), whose order is O(n^2), is called for each line.
By replacing in_addr_prefix related functions, now the computational
order is O(n log n).
Fixes#20680.
This is a related commit to the bug reported in Ubuntu:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1938259
This adds additional 4 models that without this param, the screen rotates
when the clamshell laptop rotates, which is an unwanted behavior.
This commit also merges entries that needs the same param.
Signed-off-by: Yao Wei (魏銘廷) <yao.wei@canonical.com>
The current detection code relies on /sys/firmware/dmi/entries/0-0/raw
to disambiguate Amazon EC2 virtualized from metal instances.
Unfortunately this file is root only. Thus on a c6g.metal instance
(aarch64), we observe something like this:
$ systemd-detect-virt
amazon
$ sudo systemd-detect-virt
none
Only the latter is correct.
The right long term fix is to extend the kernel to expose the SMBIOS BIOS
Characteristics properly via /sys/class/dmi, but until this happens (and
for backwards compatibility when it does), we need a plan B.
This change implements such a workaround by falling back to using the
instance type from DMI and looking at the ".metal" string present on
metal instances.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Let's log every time we use uninitialized PCRs when unsealing a secret
via TPM2. This indicates a firmware issue usually, and is something we
shouldn't just show when enrolling but also show every time we unseal,
so that the fact that the selected PCR policy is pretty much pointless
is repeatedly shown.
Previously, we hardcoded use of ECC as primary keys, since they are much
faster (i.e. saving multiple seconds) to do TPM2 operations with. Alas,
not all TPM2 chips appear to support ECC. Bummer.
Let's hence add a fallback logic: if we can't create an ECC primary key,
use an RSA key, and store that fact away.
AFIU the security guarantees should be roughly the same, it's just that
RSA primary keys is so much slower to work with than ECC.
The primary key algorithm is used is stored in the JSON header of LUKS
disks, in a new field. If the field is absent we assume to use ECC, to
provide full compatibility with old systemd versions.
The primary key algorithm is stored in a new field in the credentials
file format (in fact, a previously unused zero space is used), too.
Hopefully, this should ensure that TPM2 support will "just work" on more
systems.
Fixes: #20361
