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Naveen N. Rao 7a219acf0f powerpc/bpf: Fix BPF_SUB when imm == 0x80000000 
upstream commit 5855c4c1f415ca3ba1046e77c0b3d3dfc96c9025

We aren't handling subtraction involving an immediate value of
0x80000000 properly. Fix the same.

Fixes: 156d0e290e969c ("powerpc/ebpf/jit: Implement JIT compiler for extended BPF")
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Fold in fix from Naveen to use imm <= 32768]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/fc4b1276eb10761fd7ce0814c8dd089da2815251.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
[adjust macros to account for commits 0654186510a40e and 3a181237916310]
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 11:40:36 +01:00
..
bpf_jit32.h
powerpc: bpf: Fix generation of load/store DW instructions
2019-04-03 06:25:15 +02:00
bpf_jit64.h
powerpc: bpf: Fix generation of load/store DW instructions
2019-04-03 06:25:15 +02:00
bpf_jit_asm64.S
powerpc/ebpf/jit: Implement JIT compiler for extended BPF
2016-06-24 15:17:57 +10:00
bpf_jit_asm.S
powerpc/bpf/jit: Isolate classic BPF JIT specifics into a separate header
2016-06-24 15:15:51 +10:00
bpf_jit_comp64.c
powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
2021-11-26 11:40:36 +01:00
bpf_jit_comp.c
bpf: get rid of pure_initcall dependency to enable jits
2019-08-25 10:50:02 +02:00
bpf_jit.h
powerpc/bpf: Validate branch ranges
2021-11-26 11:40:36 +01:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00