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Kernel notes (sunshout)Aug 25, 2026 • 2 min read
isolcpus= takes CPUs off the scheduler. Hardware IRQs still land there.
The blunt tool is still in a lot of GRUB files: GRUB_CMDLINE_LINUX_DEFAULT="isolcpus=0,1" ....
#linux#kernel#networking#sysadmin
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Raghu Bharadwaj3d ago • 10 min read
Inherited a Vendor BSP? Measure These Five Things First
Inherited a vendor BSP? Five measurements — runtime config, mainline delta, external modules, booted...
#linux#embedded#kernel#yocto
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Raghu Bharadwaj1d ago • 11 min read
UBI on Raw NAND: The Layer That Hides Bad Blocks and Wear
How UBI works on raw NAND: LEB to PEB mapping, the 20 per 1024 bad block reserve, wear levelling, at...
#linux#embedded#kernel#filesystem
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Adharsh K4d ago • 6 min read
How I Contributed to My First Linux Kernel Bug Fix
Where it all Started I just joined the linux cult last year by dual booting into ubuntu...
#ubuntu#linux#kernel#opensource
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Raghu Bharadwaj6d ago • 8 min read
Linux 7.3: AF_ALG Restricted by Default, YOLOX on Etnaviv
Linux 7.3 turns on AF_ALG restriction by default, Intel proposes DRM Fabric for accelerators, and YO...
#linux#kernel#embedded#riscv
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Raghu Bharadwaj6d ago • 13 min read
Linux genpd Power Domains: Why a Rail Won’t Power Off?
How genpd power domains decide to cut power in the Linux kernel: the checks in genpd_power_off(), th...
#linux#kernel#embedded#drivers
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Raghu Bharadwaj2d ago • 11 min read
Linux Kernel CVEs: What to Patch by Device (23 – 29 Aug 2026)
227 Linux kernel CVEs (23-29 Aug 2026) with the minimum safe version per branch - including CVE-2026...
#linux#kernel#security#embedded
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Raghu Bharadwaj14h ago • 9 min read
Kernel CVEs Per Release Have Tripled. The Bugs Have Not.
Kernel CVEs per release have tripled since Linux 7.0, but the chart counts fixes, not new bugs. The ...
#linux#kernel#security#embedded
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Freedom Coder5d ago • 2 min read
CVE-2022-0995: Linux Kernel Out-of-Bounds Write Vulnerability
Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to ...
#linux#kernel#cybersecurity#vulnerability
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Freedom Coder4d ago • 2 min read
CVE-2026-53362: Linux Kernel Unspecified Vulnerability
Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 ...
#linux#kernel#cybersecurity#vulnerability
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