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linux-stable/arch/x86
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Jiri Olsa 7e6f3cd89f bpf, x86: Store caller's ip in trampoline stack 
Storing caller's ip in trampoline's stack. Trampoline programs
can reach the IP in (ctx - 8) address, so there's no change in
program's arguments interface.

The IP address is takes from [fp + 8], which is return address
from the initial 'call fentry' call to trampoline.

This IP address will be returned via bpf_get_func_ip helper
helper, which is added in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210714094400.396467-2-jolsa@kernel.org
2021-07-15 17:16:06 -07:00
..
boot Modernize the genimage.sh script, add a 'hdimage' target and EFI support. 2021-06-28 13:05:09 -07:00
configs
crypto crypto: x86/curve25519 - fix cpu feature checking logic in mod_exit 2021-06-11 15:03:29 +08:00
entry X86 entry code related updates: 2021-06-29 12:44:51 -07:00
events Perf events updates for this cycle: 2021-06-28 12:03:20 -07:00
hyperv Drivers: hv: Move Hyper-V extended capability check to arch neutral code 2021-06-05 10:22:34 +00:00
ia32 binfmt: remove in-tree usage of MAP_EXECUTABLE 2021-06-29 10:53:50 -07:00
include X86 entry code related updates: 2021-06-29 12:44:51 -07:00
kernel Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
kvm ARM: 2021-06-28 15:40:51 -07:00
lib - Differentiate the type of exception the #VC handler raises depending 2021-06-28 11:29:12 -07:00
math-emu x86/fpu/math-emu: Fix function cast warning 2021-03-23 00:08:02 +01:00
mm Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
net bpf, x86: Store caller's ip in trampoline stack 2021-07-15 17:16:06 -07:00
pci pci-v5.13-fixes-2 2021-06-18 13:54:11 -07:00
platform EFI changes: two driver API cleanups, and a log message tweak. 2021-06-28 11:34:16 -07:00
power - turn the stack canary into a normal __percpu variable on 32-bit which 2021-04-27 17:45:09 -07:00
purgatory
ras
realmode A single ELF format fix for a section flags mismatch bug that breaks 2021-06-28 11:35:55 -07:00
tools x86/tools/insn_sanity: Convert to insn_decode() 2021-03-15 12:21:11 +01:00
um x86/uml/syscalls: Remove array index from syscall initializers 2021-05-25 16:59:23 +02:00
video
xen x86/xen: Fix noinstr fail in exc_xen_unknown_trap() 2021-06-22 13:56:42 +02:00
.gitignore
Kbuild
Kconfig Clang feature updates for v5.14-rc1 2021-06-30 14:33:25 -07:00
Kconfig.assembler
Kconfig.cpu
Kconfig.debug
Makefile Modernize the genimage.sh script, add a 'hdimage' target and EFI support. 2021-06-28 13:05:09 -07:00
Makefile.um
Makefile_32.cpu