Op ma, 19 feb 2018 om 1:43 , schreef Syrone Wong <wong.syr...@gmail.com>:
It's fixed by https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-4.9.y&id=83946c33b9b99b5bc6157cfbf3970265f006c2bf


Best Regards,
Syrone Wong

Thanks, will send in a new patch.

Stijn



On Mon, Feb 19, 2018 at 4:46 AM, Stijn Segers <f...@volatilesystems.org> wrote:
CONFIG_X86_VSYSCALL_EMULATION is disabled by default on x86/64, but without it the new KAISER stuff breaks
 in the way shown below:

  CC      arch/x86/mm/kaiser.o
 arch/x86/mm/kaiser.c: In function 'kaiser_init':
arch/x86/mm/kaiser.c:348:8: error: 'vsyscall_pgprot' undeclared (first use in this function)
        vsyscall_pgprot);
        ^
arch/x86/mm/kaiser.c:270:47: note: in definition of macro 'kaiser_add_user_map_early'
  int __ret = kaiser_add_user_map(start, size, flags); \
                                               ^~~~~
arch/x86/mm/kaiser.c:348:8: note: each undeclared identifier is reported only once for each function it appears in
        vsyscall_pgprot);
        ^
arch/x86/mm/kaiser.c:270:47: note: in definition of macro 'kaiser_add_user_map_early'
  int __ret = kaiser_add_user_map(start, size, flags); \
                                               ^~~~~
scripts/Makefile.build:269: recipe for target 'arch/x86/mm/kaiser.o' failed

 Signed-off-by: Stijn Segers <f...@volatilesystems.org>
 ---
  target/linux/x86/64/config-default | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/x86/64/config-default b/target/linux/x86/64/config-default
 index 7d38df3030..bad7dddbe3 100644
 --- a/target/linux/x86/64/config-default
 +++ b/target/linux/x86/64/config-default
 @@ -343,7 +343,7 @@ CONFIG_X86_MINIMUM_CPU_FAMILY=64
  CONFIG_X86_PM_TIMER=y
  # CONFIG_X86_POWERNOW_K8 is not set
  CONFIG_X86_TSC=y
 -# CONFIG_X86_VSYSCALL_EMULATION is not set
 +CONFIG_X86_VSYSCALL_EMULATION=y
  CONFIG_X86_X2APIC=y
  # CONFIG_X86_X32 is not set
  CONFIG_XEN=y
 --
 2.11.0


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