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SubjectRe: [Y2038] [PATCH v4 02/10] include: Move compat_timespec/ timeval to compat_time.h
On Wed, Mar 14, 2018 at 4:50 AM, Deepa Dinamani <deepa.kernel@gmail.com> wrote:
> The file arch/arm64/kernel/process.c needs asm/compat.h also to be
> included directly since this is included conditionally from
> include/compat.h. This does seem to be typical of arm64 as I was not
> completely able to get rid of asm/compat.h includes for arm64 in this
> series. My plan is to have separate patches to get rid of asm/compat.h
> includes for the architectures that are not straight forward to keep
> this series simple.
> I will fix this and update the series.
>

I ran across the same thing in two more files during randconfig testing on
arm64 now, adding this fixup on top for the moment, but maybe there
is a better way:

commit 4f3e9e1211799a79b201a1af309a1ec3864147ec
Author: Arnd Bergmann <arnd@arndb.de>
Date: Wed Mar 14 18:23:16 2018 +0100

arm64: fix perf_regs.c

arch/arm64/kernel/perf_regs.c: In function 'perf_reg_abi':
arch/arm64/kernel/perf_regs.c:50:6: error: implicit declaration of
function 'is_compat_thread'; did you mean 'is_compat_task'?
[-Werror=implicit-function-declaration]
arch/arm64/kernel/hw_breakpoint.c: In function 'is_compat_bp':
arch/arm64/kernel/hw_breakpoint.c:182:16: error: implicit
declaration of function 'is_compat_thread'; did you mean
'is_compat_task'? [-Werror=implicit-function-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm64/kernel/hw_breakpoint.c
b/arch/arm64/kernel/hw_breakpoint.c
index 413dbe530da8..74bb56f656ef 100644
--- a/arch/arm64/kernel/hw_breakpoint.c
+++ b/arch/arm64/kernel/hw_breakpoint.c
@@ -30,6 +30,7 @@
#include <linux/smp.h>
#include <linux/uaccess.h>

+#include <asm/compat.h>
#include <asm/current.h>
#include <asm/debug-monitors.h>
#include <asm/hw_breakpoint.h>
diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c
index 0bbac612146e..1b463a4efe49 100644
--- a/arch/arm64/kernel/perf_regs.c
+++ b/arch/arm64/kernel/perf_regs.c
@@ -6,6 +6,7 @@
#include <linux/bug.h>
#include <linux/sched/task_stack.h>

+#include <asm/compat.h>
#include <asm/perf_regs.h>
#include <asm/ptrace.h>
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