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bpf: rename ARG_PTR_TO_STACK

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since ARG_PTR_TO_STACK is no longer just pointer to stack
rename it to ARG_PTR_TO_MEM and adjust comment.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov
2017-01-09 10:19:50 -08:00
committed by David S. Miller
parent 06c1c04972
commit 39f19ebbf5
5 changed files with 52 additions and 52 deletions
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12
include/linux/bpf.h
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@@ -69,14 +69,14 @@ enum bpf_arg_type {
/* the following constraints used to prototype bpf_memcmp() and other
* functions that access data on eBPF program stack
*/
ARG_PTR_TO_STACK, /* any pointer to eBPF program stack */
ARG_PTR_TO_RAW_STACK, /* any pointer to eBPF program stack, area does not
* need to be initialized, helper function must fill
* all bytes or clear them in error case.
ARG_PTR_TO_MEM, /* pointer to valid memory (stack, packet, map value) */
ARG_PTR_TO_UNINIT_MEM, /* pointer to memory does not need to be initialized,
* helper function must fill all bytes or clear
* them in error case.
*/
ARG_CONST_STACK_SIZE, /* number of bytes accessed from stack */
ARG_CONST_STACK_SIZE_OR_ZERO, /* number of bytes accessed from stack or 0 */
ARG_CONST_SIZE, /* number of bytes accessed from memory */
ARG_CONST_SIZE_OR_ZERO, /* number of bytes accessed from memory or 0 */
ARG_PTR_TO_CTX, /* pointer to context */
ARG_ANYTHING, /* any (initialized) argument is ok */