Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests: net: fix rps_default_mask with >32 CPUs
If there is more than 32 cpus the bitmask will start to contain
commas, leading to:
./rps_default_mask.sh: line 36: [: 00000000,00000000: integer expression expected
Remove the commas, bash doesn't interpret leading zeroes as oct
so that should be good enough. Switch to bash, Simon reports that
not all shells support this type of substitution.
Fixes: c12e0d5f267d ("self-tests: introduce self-tests for RPS default mask")
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240122195815.638997-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+5
-1
+5
-1
tools/testing/selftests/net/rps_default_mask.sh
+5
-1
tools/testing/selftests/net/rps_default_mask.sh
···
1
-
#!/bin/sh
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+
#!/bin/bash
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2
# SPDX-License-Identifier: GPL-2.0
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3
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readonly ksft_skip=4
···
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rps_mask=$($cmd /sys/class/net/$dev_name/queues/rx-0/rps_cpus)
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printf "%-60s" "$msg"
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+
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+
# In case there is more than 32 CPUs we need to remove commas from masks
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+
rps_mask=${rps_mask//,}
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expected_rps_mask=${expected_rps_mask//,}
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if [ $rps_mask -eq $expected_rps_mask ]; then
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echo "[ ok ]"
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else