2020-12-10 10:43:28

by Randy Dunlap

[permalink] [raw]
Subject: [PATCH -next] c6x: fix build of signal.c using _TIF_SIGNALs

kernel/signal.c in arch/c6x/ needs <asm/asm-offsets.h> to build
since it contains _TIF_SIGNALfoobar #defines, so add it.

Placates these build errors:

../arch/c6x/kernel/signal.c: In function 'do_notify_resume':
../arch/c6x/kernel/signal.c:316:27: error: '_TIF_SIGPENDING' undeclared (first use in this function); did you mean 'TIF_SIGPENDING'?
316 | if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
| ^~~~~~~~~~~~~~~
../arch/c6x/kernel/signal.c:316:27: note: each undeclared identifier is reported only once for each function it appears in
../arch/c6x/kernel/signal.c:316:45: error: '_TIF_NOTIFY_SIGNAL' undeclared (first use in this function); did you mean 'TIF_NOTIFY_SIGNAL'?
316 | if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
| ^~~~~~~~~~~~~~~~~~

Fixes: b7560cfc3f8a ("c6x: add support for TIF_NOTIFY_SIGNAL")
Signed-off-by: Randy Dunlap <[email protected]>
Cc: [email protected]
Cc: Jens Axboe <[email protected]>
Cc: Mark Salter <[email protected]>
Cc: Aurelien Jacquiot <[email protected]>
---
arch/c6x/kernel/signal.c | 1 +
1 file changed, 1 insertion(+)

--- linux-next-20201209.orig/arch/c6x/kernel/signal.c
+++ linux-next-20201209/arch/c6x/kernel/signal.c
@@ -13,6 +13,7 @@
#include <linux/syscalls.h>
#include <linux/tracehook.h>

+#include <asm/asm-offsets.h>
#include <asm/ucontext.h>
#include <asm/cacheflush.h>


2020-12-14 05:47:58

by Jens Axboe

[permalink] [raw]
Subject: Re: [PATCH -next] c6x: fix build of signal.c using _TIF_SIGNALs

On 12/9/20 8:17 PM, Randy Dunlap wrote:
> kernel/signal.c in arch/c6x/ needs <asm/asm-offsets.h> to build
> since it contains _TIF_SIGNALfoobar #defines, so add it.
>
> Placates these build errors:
>
> ../arch/c6x/kernel/signal.c: In function 'do_notify_resume':
> ../arch/c6x/kernel/signal.c:316:27: error: '_TIF_SIGPENDING' undeclared (first use in this function); did you mean 'TIF_SIGPENDING'?
> 316 | if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
> | ^~~~~~~~~~~~~~~
> ../arch/c6x/kernel/signal.c:316:27: note: each undeclared identifier is reported only once for each function it appears in
> ../arch/c6x/kernel/signal.c:316:45: error: '_TIF_NOTIFY_SIGNAL' undeclared (first use in this function); did you mean 'TIF_NOTIFY_SIGNAL'?
> 316 | if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
> | ^~~~~~~~~~~~~~~~~~

Thanks Randy, folded in.

--
Jens Axboe