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rust: pin-init: internal: suppress explicit_outlives_requirements

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`#[pin_data]` inserts outlive bounds between lifetimes to allow closure
callbacks to rely on their relationship. In some cases, these relations are
implied by fields, and Rust generates `explicit_outlives_requirements`
allow-by-default lint, which is turned out by kernel as part of
rust-2018-idioms lint group.

As `#[pin_data]` is a proc macro and it cannot know if the bounds are
already implied, suppress such lints for generated code.

Link: https://patch.msgid.link/20261011133904.600785-1-gary@kernel.org
Signed-off-by: Gary Guo <gary@garyguo.net>
This commit is contained in:
Gary Guo 2026-10-11 14:32:18 +01:00
parent 73cf617246
commit b7218f1996
1 changed files with 3 additions and 3 deletions
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6
rust/pin-init/internal/src/pin_data.rs
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@ -1792,13 +1792,13 @@ fn generate_projections(info: &StructInfo) -> TokenStream {
#[doc = #docs]
// Allow `non_snake_case` since the same warning will be emitted on
// the struct definition.
#[allow(dead_code, non_snake_case)]
#[allow(dead_code, non_snake_case, explicit_outlives_requirements)]
#[doc(hidden)]
#projection_lt_def
// Allow `non_snake_case` since the same warning will be emitted on
// the struct definition.
#[allow(dead_code, non_snake_case)]
#[allow(dead_code, non_snake_case, explicit_outlives_requirements)]
#[doc(hidden)]
#projection_ref_lt_def
@ -2000,7 +2000,7 @@ fn generate_the_pin_data(info: &StructInfo) -> TokenStream {
quote! {
// We declare this struct which will host all of the projection function for our type.
#[doc(hidden)]
#[allow(non_snake_case)]
#[allow(non_snake_case, explicit_outlives_requirements)]
#vis struct __PinDataLt #generics_with_field_lt
#whr_with_field_lt
{