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812dbc2769
Integrating the following commit(s) to linux-yocto/6.6:
1/1 [
Author: Stephan Müller
Email: smueller@chronox.de
Subject: crypto: jitter - add RCT/APT support for different OSRs
Date: Thu, 21 Sep 2023 13:48:11 +0200
The oversampling rate (OSR) value specifies the heuristically implied
entropy in the recorded data - H_submitter = 1/osr. A different entropy
estimate implies a different APT/RCT cutoff value. This change adds
support for OSRs 1 through 15. This OSR can be selected by the caller
of the Jitter RNG.
For this patch, the caller still uses one hard-coded OSR. A subsequent
patch allows this value to be configured.
In addition, the power-up self test is adjusted as follows:
* It allows the caller to provide an oversampling rate that should be
tested with - commonly it should be the same as used for the actual
runtime operation. This makes the power-up testing therefore consistent
with the runtime operation.
* It calls now jent_measure_jitter (i.e. collects the full entropy
that can possibly be harvested by the Jitter RNG) instead of only
jent_condition_data (which only returns the entropy harvested from
the conditioning component). This should now alleviate reports where
the Jitter RNG initialization thinks there is too little entropy.
* The power-up test now solely relies on the (enhanced) APT and RCT
test that is used as a health test at runtime.
The code allowing the different OSRs as well as the power-up test
changes are present in the user space version of the Jitter RNG 3.4.1
and thus was already in production use for some time.
Reported-by "Ospan, Abylay" <aospan@amazon.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
]
(From OE-Core rev: 1349b759e9b8f363ab9a9feec531f3a877f97dec)
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
73 lines
3.5 KiB
BlitzBasic
73 lines
3.5 KiB
BlitzBasic
KBRANCH ?= "v6.6/standard/base"
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require recipes-kernel/linux/linux-yocto.inc
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# CVE exclusions
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include recipes-kernel/linux/cve-exclusion.inc
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include recipes-kernel/linux/cve-exclusion_6.6.inc
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# board specific branches
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KBRANCH:qemuarm ?= "v6.6/standard/arm-versatile-926ejs"
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KBRANCH:qemuarm64 ?= "v6.6/standard/qemuarm64"
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KBRANCH:qemumips ?= "v6.6/standard/mti-malta32"
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KBRANCH:qemuppc ?= "v6.6/standard/qemuppc"
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KBRANCH:qemuriscv64 ?= "v6.6/standard/base"
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KBRANCH:qemuriscv32 ?= "v6.6/standard/base"
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KBRANCH:qemux86 ?= "v6.6/standard/base"
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KBRANCH:qemux86-64 ?= "v6.6/standard/base"
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KBRANCH:qemuloongarch64 ?= "v6.6/standard/base"
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KBRANCH:qemumips64 ?= "v6.6/standard/mti-malta64"
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SRCREV_machine:qemuarm ?= "b0567ccb83b03434efe6bc00d7d672a59d50b82a"
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SRCREV_machine:qemuarm64 ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemuloongarch64 ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemumips ?= "df19050d1276ce9418652a39c31b77925b18fb17"
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SRCREV_machine:qemuppc ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemuriscv64 ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemuriscv32 ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemux86 ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemux86-64 ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_machine:qemumips64 ?= "2cab83c3f46765b9390918a91c4fc64a873a3443"
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SRCREV_machine ?= "ff7ae7b32324226330214197e9b849d1aa35accd"
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SRCREV_meta ?= "11390e802ca72f3549b9356f036b17e54afd7a34"
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# set your preferred provider of linux-yocto to 'linux-yocto-upstream', and you'll
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# get the <version>/base branch, which is pure upstream -stable, and the same
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# meta SRCREV as the linux-yocto-standard builds. Select your version using the
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# normal PREFERRED_VERSION settings.
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BBCLASSEXTEND = "devupstream:target"
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SRCREV_machine:class-devupstream ?= "5e9df83a705290c4d974693097df1da9cbe25854"
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PN:class-devupstream = "linux-yocto-upstream"
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KBRANCH:class-devupstream = "v6.6/base"
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SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;name=machine;branch=${KBRANCH};protocol=https \
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git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-6.6;destsuffix=${KMETA};protocol=https"
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LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
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LINUX_VERSION ?= "6.6.9"
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PV = "${LINUX_VERSION}+git"
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KMETA = "kernel-meta"
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KCONF_BSP_AUDIT_LEVEL = "1"
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KERNEL_DEVICETREE:qemuarmv5 = "arm/versatile-pb.dtb"
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COMPATIBLE_MACHINE = "^(qemuarm|qemuarmv5|qemuarm64|qemux86|qemuppc|qemuppc64|qemumips|qemumips64|qemux86-64|qemuriscv64|qemuriscv32|qemuloongarch64)$"
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# Functionality flags
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KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc"
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KERNEL_FEATURES:append = " ${KERNEL_EXTRA_FEATURES}"
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KERNEL_FEATURES:append:qemuall=" cfg/virtio.scc features/drm-bochs/drm-bochs.scc cfg/net/mdio.scc"
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KERNEL_FEATURES:append:qemux86=" cfg/sound.scc cfg/paravirt_kvm.scc"
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KERNEL_FEATURES:append:qemux86-64=" cfg/sound.scc cfg/paravirt_kvm.scc"
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KERNEL_FEATURES:append = " ${@bb.utils.contains("TUNE_FEATURES", "mx32", " cfg/x32.scc", "", d)}"
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KERNEL_FEATURES:append = " ${@bb.utils.contains("DISTRO_FEATURES", "ptest", " features/scsi/scsi-debug.scc", "", d)}"
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KERNEL_FEATURES:append = " ${@bb.utils.contains("DISTRO_FEATURES", "ptest", " features/gpio/mockup.scc", "", d)}"
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KERNEL_FEATURES:append:powerpc =" arch/powerpc/powerpc-debug.scc"
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KERNEL_FEATURES:append:powerpc64 =" arch/powerpc/powerpc-debug.scc"
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KERNEL_FEATURES:append:powerpc64le =" arch/powerpc/powerpc-debug.scc"
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INSANE_SKIP:kernel-vmlinux:qemuppc64 = "textrel"
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