* [PATCH v2] linux/types.h: Restore __bitwise__ definition
@ 2022-05-26 15:17 Bjorn Helgaas
2022-05-26 16:42 ` Linus Torvalds
0 siblings, 1 reply; 2+ messages in thread
From: Bjorn Helgaas @ 2022-05-26 15:17 UTC (permalink / raw)
To: Andrew Morton, Jonathan Corbet, Linus Torvalds
Cc: Nathan Chancellor, Nick Desaulniers, Michael S . Tsirkin,
Jiri Slaby, llvm, linux-doc, linux-kernel, Bjorn Helgaas
From: Bjorn Helgaas <bhelgaas@google.com>
This reverts part of commit c724c866bb70cb8c607081a26823a1f0ebde4387.
Jiri Slaby reported that c724c866bb70 ("linux/types.h: remove unnecessary
__bitwise__") broke userspace, including open-iscsi, because it uses
__bitwise__.
Restore the __bitwise__ definition.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/b5c0a68d-8387-4909-beea-f70ab9e6e3d5@kernel.org
Link: https://lore.kernel.org/r/CAHk-=whk=ygWsxt=1HhndCwjtXdga9sPmkxFGby5PJWRk5yx9Q@mail.gmail.com
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Tested-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
include/uapi/linux/types.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/uapi/linux/types.h b/include/uapi/linux/types.h
index c4dc597f3dcf..308433be33c2 100644
--- a/include/uapi/linux/types.h
+++ b/include/uapi/linux/types.h
@@ -26,6 +26,9 @@
#define __bitwise
#endif
+/* The kernel doesn't use this legacy form, but user space does */
+#define __bitwise__ __bitwise
+
typedef __u16 __bitwise __le16;
typedef __u16 __bitwise __be16;
typedef __u32 __bitwise __le32;
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] linux/types.h: Restore __bitwise__ definition
2022-05-26 15:17 [PATCH v2] linux/types.h: Restore __bitwise__ definition Bjorn Helgaas
@ 2022-05-26 16:42 ` Linus Torvalds
0 siblings, 0 replies; 2+ messages in thread
From: Linus Torvalds @ 2022-05-26 16:42 UTC (permalink / raw)
To: Bjorn Helgaas
Cc: Andrew Morton, Jonathan Corbet, Nathan Chancellor,
Nick Desaulniers, Michael S . Tsirkin, Jiri Slaby, llvm,
open list:DOCUMENTATION, Linux Kernel Mailing List,
Bjorn Helgaas
On Thu, May 26, 2022 at 8:17 AM Bjorn Helgaas <helgaas@kernel.org> wrote:
>
> Restore the __bitwise__ definition.
Thanks, but I already ended up applying this yesterday,
Linus
^ permalink raw reply [flat|nested] 2+ messages in thread
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