diff options
Diffstat (limited to '0001-redhat-rh_kabi-deduplication-friendly-structs.patch')
| -rw-r--r-- | 0001-redhat-rh_kabi-deduplication-friendly-structs.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/0001-redhat-rh_kabi-deduplication-friendly-structs.patch b/0001-redhat-rh_kabi-deduplication-friendly-structs.patch deleted file mode 100644 index e0c4423dc..000000000 --- a/0001-redhat-rh_kabi-deduplication-friendly-structs.patch +++ /dev/null @@ -1,65 +0,0 @@ -From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 -From: Jiri Benc <jbenc@redhat.com> -Date: Wed, 19 Feb 2020 11:52:21 +0100 -Subject: [PATCH] redhat: rh_kabi: deduplication friendly structs -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -RH-Acked-by: Bruno Meneguele <bmeneg@redhat.com> -RH-Acked-by: Jesper Brouer <brouer@redhat.com> -RH-Acked-by: Prarit Bhargava <prarit@redhat.com> -RH-Acked-by: Jiri Olsa <jolsa@redhat.com> -RH-Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> - -Upstream status: RHEL only - -We don't really need the field names to be globally unique, it is enough -when they are unique in the given struct. Since structs do not generally -span mutliple files, using the line number is enough to ensure an unique -identifier. It means that we can't use two RH_KABI_RENAME macros on the same -line but that's not happening anyway. - -This allows pahole to deduplicate the type info of structs using kABI -macros, lowering the size of vmlinuz from 26M to 8.5M. - -Upstream Status: RHEL only -Signed-off-by: Jiri Benc <jbenc@redhat.com> ---- - include/linux/rh_kabi.h | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - -diff --git a/include/linux/rh_kabi.h b/include/linux/rh_kabi.h -index b90601e8a657..ea9c136bf884 100644 ---- a/include/linux/rh_kabi.h -+++ b/include/linux/rh_kabi.h -@@ -163,6 +163,8 @@ - # define __RH_KABI_CHECK_SIZE(_item, _size) - #endif - -+#define RH_KABI_UNIQUE_ID __PASTE(rh_kabi_hidden_, __LINE__) -+ - # define _RH_KABI_DEPRECATE(_type, _orig) _type rh_reserved_##_orig - # define _RH_KABI_DEPRECATE_FN(_type, _orig, _args...) \ - _type (* rh_reserved_##_orig)(_args) -@@ -171,7 +173,7 @@ - _new; \ - struct { \ - _orig; \ -- } __UNIQUE_ID(rh_kabi_hide); \ -+ } RH_KABI_UNIQUE_ID; \ - __RH_KABI_CHECK_SIZE_ALIGN(_orig, _new); \ - } - # define _RH_KABI_REPLACE_UNSAFE(_orig, _new) _new -@@ -218,7 +220,7 @@ - #define RH_KABI_EXTEND_WITH_SIZE(_new, _size) \ - RH_KABI_EXTEND(union { \ - _new; \ -- unsigned long __UNIQUE_ID(rh_kabi_reserved)[_size]; \ -+ unsigned long RH_KABI_UNIQUE_ID[_size]; \ - __RH_KABI_CHECK_SIZE(_new, 8 * (_size)); \ - }) - --- -2.28.0 - |