diff mbox series

[RFC,bpf-next,v4,5/6] libbpf: define __uptr.

Message ID 20240816191213.35573-6-thinker.li@gmail.com (mailing list archive)
State RFC
Delegated to: BPF
Headers show
Series Share user memory to BPF program through task storage map. | expand

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Commit Message

Kui-Feng Lee Aug. 16, 2024, 7:12 p.m. UTC 
Make __uptr available to BPF programs to enable them to define uptrs.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
 tools/lib/bpf/bpf_helpers.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Andrii Nakryiko Aug. 27, 2024, 11:13 p.m. UTC | #1 
On Fri, Aug 16, 2024 at 12:12 PM Kui-Feng Lee <thinker.li@gmail.com> wrote:
>
> Make __uptr available to BPF programs to enable them to define uptrs.
>
> Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
> ---
>  tools/lib/bpf/bpf_helpers.h | 1 +
>  1 file changed, 1 insertion(+)
>

Acked-by: Andrii Nakryiko <andrii@kernel.org>

> diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
> index 305c62817dd3..7ff9d947b976 100644
> --- a/tools/lib/bpf/bpf_helpers.h
> +++ b/tools/lib/bpf/bpf_helpers.h
> @@ -185,6 +185,7 @@ enum libbpf_tristate {
>  #define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
>  #define __kptr __attribute__((btf_type_tag("kptr")))
>  #define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
> +#define __uptr __attribute__((btf_type_tag("uptr")))
>
>  #if defined (__clang__)
>  #define bpf_ksym_exists(sym) ({                                                \
> --
> 2.34.1
>
Kui-Feng Lee Aug. 28, 2024, 5:53 p.m. UTC | #2 
Thanks for the review.

On 8/27/24 16:13, Andrii Nakryiko wrote:
> On Fri, Aug 16, 2024 at 12:12 PM Kui-Feng Lee <thinker.li@gmail.com> wrote:
>>
>> Make __uptr available to BPF programs to enable them to define uptrs.
>>
>> Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
>> ---
>>   tools/lib/bpf/bpf_helpers.h | 1 +
>>   1 file changed, 1 insertion(+)
>>
> 
> Acked-by: Andrii Nakryiko <andrii@kernel.org>
> 
>> diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
>> index 305c62817dd3..7ff9d947b976 100644
>> --- a/tools/lib/bpf/bpf_helpers.h
>> +++ b/tools/lib/bpf/bpf_helpers.h
>> @@ -185,6 +185,7 @@ enum libbpf_tristate {
>>   #define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
>>   #define __kptr __attribute__((btf_type_tag("kptr")))
>>   #define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
>> +#define __uptr __attribute__((btf_type_tag("uptr")))
>>
>>   #if defined (__clang__)
>>   #define bpf_ksym_exists(sym) ({                                                \
>> --
>> 2.34.1
>>
diff mbox series

Patch

diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index 305c62817dd3..7ff9d947b976 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -185,6 +185,7 @@  enum libbpf_tristate {
 #define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
 #define __kptr __attribute__((btf_type_tag("kptr")))
 #define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
+#define __uptr __attribute__((btf_type_tag("uptr")))
 
 #if defined (__clang__)
 #define bpf_ksym_exists(sym) ({						\