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sleep is bad

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Ciro Santilli
2017-06-18 10:32:32 +01:00
parent ea924c948a
commit 701230021d
1 changed files with 1 additions and 0 deletions
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rootfs_overlay/pci.sh
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@@ -22,6 +22,7 @@ printf '\x80\x00\x00\x00' | dd bs=4 status=none of=/dev/lkmc_pci count=1 seek=8
# factorial(0xC) = 0x1c8cfc00 # factorial(0xC) = 0x1c8cfc00
printf '\x0C\x00\x00\x00' | dd bs=4 status=none of=/dev/lkmc_pci count=1 seek=2 printf '\x0C\x00\x00\x00' | dd bs=4 status=none of=/dev/lkmc_pci count=1 seek=2
# => interrupt # => interrupt
# Yes, we should the interrupt to notify poll, but lazy.
sleep 1 sleep 1
dd bs=4 status=none if=/dev/lkmc_pci count=1 skip=2 | od -An -t x1 dd bs=4 status=none if=/dev/lkmc_pci count=1 skip=2 | od -An -t x1
dd bs=4 status=none if=/dev/lkmc_pci count=1 skip=8 | od -An -t x1 dd bs=4 status=none if=/dev/lkmc_pci count=1 skip=8 | od -An -t x1