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Naveen N. Rao 548b762763 powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000 
Special case handling of the smallest 32-bit negative number for BPF_SUB.

Fixes: 51c66ad849 ("powerpc/bpf: Implement extended BPF on PPC32")
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7135360a0cdf70adedbccf9863128b8daef18764.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
2021-10-07 19:52:59 +11:00
..
bpf_jit.h powerpc/bpf: Validate branch ranges 2021-10-07 18:52:33 +11:00
bpf_jit64.h powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC 2021-10-07 19:52:58 +11:00
bpf_jit_comp.c powerpc/bpf: Validate branch ranges 2021-10-07 18:52:33 +11:00
bpf_jit_comp32.c powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000 2021-10-07 19:52:59 +11:00
bpf_jit_comp64.c powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC 2021-10-07 19:52:58 +11:00
Makefile powerpc/bpf: Implement extended BPF on PPC32 2021-04-03 21:22:21 +11:00