Mark Brown fa76cfe65c arm64: bpf: Annotate JITed code for BTI ... In order to extend the protection offered by BTI to all code executing in kernel mode we need to annotate JITed BPF code appropriately for BTI. To do this we need to add a landing pad to the start of each BPF function and also immediately after the function prologue if we are emitting a function which can be tail called. Jumps within BPF functions are all to immediate offsets and therefore do not require landing pads. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20200506195138.22086-6-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>		2020-05-07 17:53:20 +01:00
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bpf_jit_comp.c	arm64: bpf: Annotate JITed code for BTI	2020-05-07 17:53:20 +01:00
bpf_jit.h	arm64: bpf: Annotate JITed code for BTI	2020-05-07 17:53:20 +01:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00