Maciej Fijalkowski 0d4ddce300 bpf, x64: use %rcx instead of %rax for tail call retpolines ... Currently, %rax is used to store the jump target when BPF program is emitting the retpoline instructions that are handling the indirect tailcall. There is a plan to use %rax for different purpose, which is storing the tail call counter. In order to preserve this value across the tailcalls, adjust the BPF indirect tailcalls so that the target program will reside in %rcx and teach the retpoline instructions about new location of jump target. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2020-09-17 12:59:31 -07:00
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bpf_jit_comp32.c	bpf, i386: Remove unneeded conversion to bool	2020-05-07 16:29:14 +02:00
bpf_jit_comp.c	bpf, x64: use %rcx instead of %rax for tail call retpolines	2020-09-17 12:59:31 -07:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00