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| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-05-21 15:23:19 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-05-21 15:23:19 -0700 |
| commit | e6ab9a20e73e790d47e6aa231fcf66f27b6ce3d4 (patch) | |
| tree | 6a41361e1de2a6693ccae96b99307e79a467236f /net/core/filter.c | |
| parent | 34273f41d57ee8d854dcd2a1d754cbb546cb548f (diff) | |
| parent | 7ed6fb9b5a5510e4ef78ab27419184741169978a (diff) | |
| download | op-kernel-dev-e6ab9a20e73e790d47e6aa231fcf66f27b6ce3d4.zip op-kernel-dev-e6ab9a20e73e790d47e6aa231fcf66f27b6ce3d4.tar.gz | |
Merge commit '7ed6fb9b5a5510e4ef78ab27419184741169978a' into x86/espfix
Merge in Linus' tree with:
fa81511bb0bb x86-64, modify_ldt: Make support for 16-bit segments a runtime option
... reverted, to avoid a conflict. This commit is no longer necessary
with the proper fix in place.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index cd58614..9d79ca0 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -122,6 +122,13 @@ noinline u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) return 0; } +/* Register mappings for user programs. */ +#define A_REG 0 +#define X_REG 7 +#define TMP_REG 8 +#define ARG2_REG 2 +#define ARG3_REG 3 + /** * __sk_run_filter - run a filter on a given context * @ctx: buffer to run the filter on @@ -242,6 +249,8 @@ unsigned int __sk_run_filter(void *ctx, const struct sock_filter_int *insn) regs[FP_REG] = (u64) (unsigned long) &stack[ARRAY_SIZE(stack)]; regs[ARG1_REG] = (u64) (unsigned long) ctx; + regs[A_REG] = 0; + regs[X_REG] = 0; select_insn: goto *jumptable[insn->code]; @@ -643,13 +652,6 @@ static u64 __get_raw_cpu_id(u64 ctx, u64 A, u64 X, u64 r4, u64 r5) return raw_smp_processor_id(); } -/* Register mappings for user programs. */ -#define A_REG 0 -#define X_REG 7 -#define TMP_REG 8 -#define ARG2_REG 2 -#define ARG3_REG 3 - static bool convert_bpf_extensions(struct sock_filter *fp, struct sock_filter_int **insnp) { |
