On Tue, May 03, 2016 at 08:41:25PM +0800, Zhangjian (Bamvor) wrote: [...] > After apply this patch with my small testcase, the vsyscall of gettimeofday in > ilp32 works in both big endian and small endian. In this patch, I use the > different register and offset for ilp32 and lp64. Actually, the > COMPAT_TVAL_TV_SEC is same as TVAL_TV_SEC(so as to COMPAT_TSPEC_TV_SEC and > TSPEC_TV_SEC). I add it to keep the logic clear. I also change the version > of vdso to 4.6. It should change to 2.6.39 if glibc is not update. > > diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c > index 574081f..c8e32eb 100644 > --- a/arch/arm64/kernel/asm-offsets.c > +++ b/arch/arm64/kernel/asm-offsets.c > @@ -101,6 +101,11 @@ int main(void) > DEFINE(TSPEC_TV_SEC, offsetof(struct timespec, tv_sec)); > DEFINE(TSPEC_TV_NSEC, offsetof(struct timespec, tv_nsec)); > BLANK(); > + DEFINE(COMPAT_TVAL_TV_SEC, offsetof(struct compat_timeval, tv_sec)); > + DEFINE(COMPAT_TVAL_TV_USEC, offsetof(struct compat_timeval, > tv_usec)); > + DEFINE(COMPAT_TSPEC_TV_SEC, offsetof(struct compat_timespec, > tv_sec)); > + DEFINE(COMPAT_TSPEC_TV_NSEC, offsetof(struct compat_timespec, > tv_nsec)); > + BLANK();
Hi Bamvor, We just found this lines break build if ILP32 is disabled. I think we need to wrap them with #ifdef CONFIG_ARM64_ILP32 Yury
