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a4856dab0d
Kernel v5.1 included an eBPF JIT for MIPS32 kernels, but problems were
discovered [1] and the changes later reverted in kernel v5.5 with commits:
* f8fffebdea75 ("MIPS: BPF: Disable MIPS32 eBPF JIT")
* 36366e367ee9 ("MIPS: BPF: Restore MIPS32 cBPF JIT")
Only the first of these was backported to LTS kernel 5.4, leaving cBPF
programs without a JIT and introducing a performance regression for any
such users e.g. libpcap, tcpdump, etc.
Restore cBPF performance by backporting the second commit above:
* 070-v5.5-MIPS-BPF-Restore-MIPS32-cBPF-JIT.patch
[1] https://lore.kernel.org/bpf/20191205182318.2761605-1-paulburton@kernel.org/
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
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4 years ago | |
|---|---|---|
| .. | ||
| backport-4.14 | 4 years ago | |
| backport-4.19 | 4 years ago | |
| backport-5.4 | 4 years ago | |
| files | 4 years ago | |
| hack-4.14 | 4 years ago | |
| hack-4.19 | 4 years ago | |
| hack-5.4 | 4 years ago | |
| image | 8 years ago | |
| other-files | 7 years ago | |
| pending-4.14 | 4 years ago | |
| pending-4.19 | 4 years ago | |
| pending-5.4 | 4 years ago | |
| PATCHES | 11 years ago | |
| config-4.14 | 4 years ago | |
| config-4.19 | 4 years ago | |
| config-5.4 | 4 years ago | |