[lkml]   [2019]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2] arm64: vdso: Fix ABI regression in compat vdso
On Wed, Jul 10, 2019 at 7:01 AM Vincenzo Frascino
<> wrote:
> Prior to the introduction of Unified vDSO support and compat layer for
> vDSO on arm64, AT_SYSINFO_EHDR was not defined for compat tasks.
> In the current implementation, AT_SYSINFO_EHDR is defined even if the
> compat vdso layer is not built and this causes a regression in the
> expected behavior of the ABI.
> Restore the ABI behavior making sure that AT_SYSINFO_EHDR for compat
> tasks is defined only when CONFIG_COMPAT_VDSO is enabled.
> Reported-by: John Stultz <>
> Signed-off-by: Vincenzo Frascino <>

This seems to solve it for me!
Thanks so much for the quick turnaround on a fix. I really appreciate it!

Tested-by: John Stultz <>


 \ /
  Last update: 2019-07-10 17:45    [W:0.161 / U:9.936 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site