Messages in this thread | | | Date | Tue, 29 Aug 2017 08:30:15 +0200 | From | Greg KH <> | Subject | Re: [PATCH v3 0/3] Define CPU_BIG_ENDIAN or warn for inconsistencies |
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On Thu, Jul 06, 2017 at 09:34:18AM -0700, Babu Moger wrote: > Resending the series per Greg KH's request. > > Found this problem while enabling queued rwlock on SPARC. > The parameter CONFIG_CPU_BIG_ENDIAN is used to clear the > specific byte in qrwlock structure. Without this parameter, > we clear the wrong byte. > Here is the code in include/asm-generic/qrwlock.h > > static inline u8 *__qrwlock_write_byte(struct qrwlock *lock) > { > return (u8 *)lock + 3 * IS_BUILTIN(CONFIG_CPU_BIG_ENDIAN); > } > > Also found few more references of this parameter in > drivers/of/base.c > drivers/of/fdt.c > drivers/tty/serial/earlycon.c > drivers/tty/serial/serial_core.c > > Here is our previous discussion. > https://lkml.org/lkml/2017/5/24/620 > > Based on the discussion, it was decided to add CONFIG_CPU_BIG_ENDIAN > for all the fixed big endian architecture(frv, h8300, m68k, openrisc, > parisc and sparc). And warn if there are inconsistencies in this definition.
Did this series ever get picked up by anyone? I don't know whose tree it should go through if not, anyone have any ideas? I guess I could, but arch-specific stuff is odd...
thanks,
greg k-h
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