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4b3da77b72
linux/arch/x86
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Daniel Borkmann 4b3da77b72 bpf, x86: Generalize and extend bpf_arch_text_poke for direct jumps 
Add BPF_MOD_{NOP_TO_JUMP,JUMP_TO_JUMP,JUMP_TO_NOP} patching for x86
JIT in order to be able to patch direct jumps or nop them out. We need
this facility in order to patch tail call jumps and in later work also
BPF static keys.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/aa4784196a8e5e985af4b30a4fe5336bce6e9643.1574452833.git.daniel@iogearbox.net
2019-11-24 16:58:47 -08:00
..
boot x86, efi: Never relocate kernel below lowest acceptable address 2019-10-31 09:40:19 +01:00
configs x86/defconfigs: Remove useless UEVENT_HELPER_PATH 2019-06-21 19:22:08 +02:00
crypto crypto: x86/aes-ni - use AES library instead of single-use AES cipher 2019-09-09 23:48:41 +10:00
entry Kbuild updates for v5.4 2019-09-20 08:36:47 -07:00
events perf/x86/uncore: Fix event group support 2019-10-28 11:02:01 +01:00
hyperv x86/hyperv: Make vapic support x2apic mode 2019-10-15 10:57:09 +02:00
ia32 clone: fix CLONE_PIDFD support 2019-07-14 20:36:12 +02:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-11-20 18:11:23 -08:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-11-20 18:11:23 -08:00
kvm KVM: x86/mmu: Take slots_lock when using kvm_mmu_zap_all_fast() 2019-11-14 16:21:22 +01:00
lib x86/asm: Fix MWAITX C-state hint value 2019-10-08 13:25:24 +02:00
math-emu x86/fpu/math-emu: Address fallthrough warnings 2019-08-12 20:35:05 +02:00
mm uaccess: Add strict non-pagefault kernel-space read function 2019-11-02 12:39:12 -07:00
net bpf, x86: Generalize and extend bpf_arch_text_poke for direct jumps 2019-11-24 16:58:47 -08:00
oprofile
pci dma-mapping updates for 5.4: 2019-09-19 13:27:23 -07:00
platform efi/x86: Do not clean dummy variable in kexec path 2019-10-07 15:24:36 +02:00
power Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-09-17 12:04:39 -07:00
purgatory Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-09-28 13:37:41 -07:00
ras RAS/CEC: Add CONFIG_RAS_CEC_DEBUG and move CEC debug features there 2019-06-08 17:39:24 +02:00
realmode x86/realmode: Remove trampoline_status 2019-07-22 11:30:18 +02:00
tools Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-07-08 17:34:44 -07:00
um um: Use real DMA barriers 2019-09-15 21:37:14 +02:00
video treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
xen xen: patch for 5.4-rc5 2019-10-26 06:32:12 -04:00
.gitignore
Kbuild treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kconfig x86/tsx: Add config options to set tsx=on|off|auto 2019-10-28 09:12:18 +01:00
Kconfig.cpu x86/cpu: Create Zhaoxin processors architecture support file 2019-06-22 11:45:57 +02:00
Kconfig.debug x86, perf: Fix the dependency of the x86 insn decoder selftest 2019-09-02 20:05:58 +02:00
Makefile x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning 2019-08-28 17:31:31 +02:00
Makefile_32.cpu
Makefile.um