Messages in this thread | | | Subject | Re: [PATCH v3 3/7] arch/sparc: Define config parameter CPU_BIG_ENDIAN | From | Babu Moger <> | Date | Wed, 24 May 2017 09:37:42 -0500 |
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On 5/24/2017 4:48 AM, Geert Uytterhoeven wrote: > On Tue, May 23, 2017 at 11:45 PM, Babu Moger <babu.moger@oracle.com> wrote: >> 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. >> >> static inline u8 *__qrwlock_write_byte(struct qrwlock *lock) >> { >> return (u8 *)lock + 3 * IS_BUILTIN(CONFIG_CPU_BIG_ENDIAN); >> } >> >> Define CPU_BIG_ENDIAN for SPARC to fix it. >> >> Signed-off-by: Babu Moger <babu.moger@oracle.com> >> Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com> >> Reviewed-by: Jane Chu <jane.chu@oracle.com> >> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> >> Reviewed-by: Vijay Kumar <vijay.ac.kumar@oracle.com> >> --- >> arch/sparc/Kconfig | 4 ++++ >> 1 files changed, 4 insertions(+), 0 deletions(-) >> >> diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig >> index 908f019..2f58c16 100644 >> --- a/arch/sparc/Kconfig >> +++ b/arch/sparc/Kconfig >> @@ -92,6 +92,10 @@ config ARCH_DEFCONFIG >> config ARCH_PROC_KCORE_TEXT >> def_bool y >> >> +config CPU_BIG_ENDIAN >> + bool >> + default y if SPARC > def_bool y?
Ok. Sure. Will change it. Thanks
> Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds
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