Bump kernel to v6.18.38 and apply cartesi changes - #13
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Bundle the Cartesi-specific changes on top of Linux 6.18.38: - drivers/cartesi: add cmio device (/dev/cmio) for guest-host communication via shared tx/rx buffers (mmap) and SBI yield, plus Kconfig/Makefile and cartesi_defconfig - riscv/sbi: forward the application exit status through the reboot reason and use the SBI v0.1 shutdown ABI even when v0.3+ is present - panic: halt the machine on kernel panic - reboot: lower restart/halt/poweroff messages from pr_emerg to pr_notice so they can be silenced via loglevel - selftests: add cmio echo and open-twice tests Co-authored-by: Victor Fusco <1221933+vfusco@users.noreply.github.com> Co-authored-by: Marcelo Politzer <251334+mpolitzer@users.noreply.github.com> Co-authored-by: Diego Nehab <1635557+diegonehab@users.noreply.github.com>
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Bundle the Cartesi-specific changes on top of Linux 6.18.38: