Re: [linux-yocto] [PATCH v5.15] arm: Fix the "invalid constant" error when assembling entry-common.S

2023-02-06 Thread Bruce Ashfield
In message: Re: [PATCH v5.15] arm: Fix the "invalid constant" error when 
assembling entry-common.S
on 03/02/2023 Paul Gortmaker wrote:

> [[PATCH v5.15] arm: Fix the "invalid constant" error when assembling 
> entry-common.S] On 04/02/2023 (Sat 10:00) Kevin Hao wrote:
> 
> > From: Kevin Hao 
> > 
> > The commit 82f18d6a09c0 ("arm: merge fixup for duplicate
> > TIF_NOTIFY_SIGNAL and other TIF_*") tried to fix the duplicate macro
> > warning on rt kernel. But after that change, the new values of the TIF_*
> > would cause the following assembler errors:
> >   arch/arm/kernel/entry-common.S: Assembler messages:
> >   arch/arm/kernel/entry-common.S:103: Error: invalid constant (1000e0) 
> > after fixup
> >   arch/arm/kernel/entry-common.S:286: Error: invalid constant (1000e0) 
> > after fixup
> > 
> > So adjust the value of TIF_* to make the assembler happy. After this
> > change, the TIF_* macros are the same as the ones in linux-6.2.y-rt.
> 
> Thanks Kevin - if the -rt version is now available and it solves the
> toolchain issue as well, then we definitely want to align with that.

Hopefully this is the last time we have to fixup these flag fields.

What a mess, and really, something -stable shouldn't be tweaking at all.

This is now merged

Bruce

> 
> Paul.
> --
> 
> > 
> > Signed-off-by: Kevin Hao 
> > ---
> > Hi Bruce,
> > 
> > Please help me merge this into the v5.15/standard/preempt-rt/base
> > branch.
> > 
> >  arch/arm/include/asm/thread_info.h | 8 
> >  1 file changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/arch/arm/include/asm/thread_info.h 
> > b/arch/arm/include/asm/thread_info.h
> > index dc192d3bb4f8..d0ad47b598ee 100644
> > --- a/arch/arm/include/asm/thread_info.h
> > +++ b/arch/arm/include/asm/thread_info.h
> > @@ -135,15 +135,15 @@ extern int vfp_restore_user_hwstate(struct user_vfp *,
> >  #define TIF_NOTIFY_RESUME  2   /* callback before returning to user */
> >  #define TIF_UPROBE 3   /* breakpointed or singlestepping */
> >  #define TIF_NOTIFY_SIGNAL  4   /* signal notifications exist */
> > -#define TIF_SYSCALL_AUDIT  5   /* syscall auditing active */
> > -#define TIF_SYSCALL_TRACEPOINT 6   /* syscall tracepoint 
> > instrumentation */
> > -#define TIF_SECCOMP7   /* seccomp syscall filtering 
> > active */
> > -#define TIF_NEED_RESCHED_LAZY  8
> > +#define TIF_NEED_RESCHED_LAZY  5
> >  
> >  #define TIF_USING_IWMMXT   17
> >  #define TIF_MEMDIE 18  /* is terminating due to OOM killer */
> >  #define TIF_RESTORE_SIGMASK19
> >  #define TIF_SYSCALL_TRACE  20  /* syscall trace active */
> > +#define TIF_SYSCALL_AUDIT  21  /* syscall auditing active */
> > +#define TIF_SYSCALL_TRACEPOINT 22  /* syscall tracepoint 
> > instrumentation */
> > +#define TIF_SECCOMP23  /* seccomp syscall filtering 
> > active */
> >  
> >  
> >  #define _TIF_SIGPENDING(1 << TIF_SIGPENDING)
> > -- 
> > 2.38.1
> > 

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Re: [linux-yocto] [PATCH v5.15] arm: Fix the "invalid constant" error when assembling entry-common.S

2023-02-03 Thread Paul Gortmaker
[[PATCH v5.15] arm: Fix the "invalid constant" error when assembling 
entry-common.S] On 04/02/2023 (Sat 10:00) Kevin Hao wrote:

> From: Kevin Hao 
> 
> The commit 82f18d6a09c0 ("arm: merge fixup for duplicate
> TIF_NOTIFY_SIGNAL and other TIF_*") tried to fix the duplicate macro
> warning on rt kernel. But after that change, the new values of the TIF_*
> would cause the following assembler errors:
>   arch/arm/kernel/entry-common.S: Assembler messages:
>   arch/arm/kernel/entry-common.S:103: Error: invalid constant (1000e0) after 
> fixup
>   arch/arm/kernel/entry-common.S:286: Error: invalid constant (1000e0) after 
> fixup
> 
> So adjust the value of TIF_* to make the assembler happy. After this
> change, the TIF_* macros are the same as the ones in linux-6.2.y-rt.

Thanks Kevin - if the -rt version is now available and it solves the
toolchain issue as well, then we definitely want to align with that.

Paul.
--

> 
> Signed-off-by: Kevin Hao 
> ---
> Hi Bruce,
> 
> Please help me merge this into the v5.15/standard/preempt-rt/base
> branch.
> 
>  arch/arm/include/asm/thread_info.h | 8 
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/include/asm/thread_info.h 
> b/arch/arm/include/asm/thread_info.h
> index dc192d3bb4f8..d0ad47b598ee 100644
> --- a/arch/arm/include/asm/thread_info.h
> +++ b/arch/arm/include/asm/thread_info.h
> @@ -135,15 +135,15 @@ extern int vfp_restore_user_hwstate(struct user_vfp *,
>  #define TIF_NOTIFY_RESUME2   /* callback before returning to user */
>  #define TIF_UPROBE   3   /* breakpointed or singlestepping */
>  #define TIF_NOTIFY_SIGNAL4   /* signal notifications exist */
> -#define TIF_SYSCALL_AUDIT5   /* syscall auditing active */
> -#define TIF_SYSCALL_TRACEPOINT   6   /* syscall tracepoint 
> instrumentation */
> -#define TIF_SECCOMP  7   /* seccomp syscall filtering active */
> -#define TIF_NEED_RESCHED_LAZY8
> +#define TIF_NEED_RESCHED_LAZY5
>  
>  #define TIF_USING_IWMMXT 17
>  #define TIF_MEMDIE   18  /* is terminating due to OOM killer */
>  #define TIF_RESTORE_SIGMASK  19
>  #define TIF_SYSCALL_TRACE20  /* syscall trace active */
> +#define TIF_SYSCALL_AUDIT21  /* syscall auditing active */
> +#define TIF_SYSCALL_TRACEPOINT   22  /* syscall tracepoint 
> instrumentation */
> +#define TIF_SECCOMP  23  /* seccomp syscall filtering active */
>  
>  
>  #define _TIF_SIGPENDING  (1 << TIF_SIGPENDING)
> -- 
> 2.38.1
> 

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[linux-yocto] [PATCH v5.15] arm: Fix the "invalid constant" error when assembling entry-common.S

2023-02-03 Thread Kevin Hao
From: Kevin Hao 

The commit 82f18d6a09c0 ("arm: merge fixup for duplicate
TIF_NOTIFY_SIGNAL and other TIF_*") tried to fix the duplicate macro
warning on rt kernel. But after that change, the new values of the TIF_*
would cause the following assembler errors:
  arch/arm/kernel/entry-common.S: Assembler messages:
  arch/arm/kernel/entry-common.S:103: Error: invalid constant (1000e0) after 
fixup
  arch/arm/kernel/entry-common.S:286: Error: invalid constant (1000e0) after 
fixup

So adjust the value of TIF_* to make the assembler happy. After this
change, the TIF_* macros are the same as the ones in linux-6.2.y-rt.

Signed-off-by: Kevin Hao 
---
Hi Bruce,

Please help me merge this into the v5.15/standard/preempt-rt/base
branch.

 arch/arm/include/asm/thread_info.h | 8 
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/include/asm/thread_info.h 
b/arch/arm/include/asm/thread_info.h
index dc192d3bb4f8..d0ad47b598ee 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -135,15 +135,15 @@ extern int vfp_restore_user_hwstate(struct user_vfp *,
 #define TIF_NOTIFY_RESUME  2   /* callback before returning to user */
 #define TIF_UPROBE 3   /* breakpointed or singlestepping */
 #define TIF_NOTIFY_SIGNAL  4   /* signal notifications exist */
-#define TIF_SYSCALL_AUDIT  5   /* syscall auditing active */
-#define TIF_SYSCALL_TRACEPOINT 6   /* syscall tracepoint instrumentation */
-#define TIF_SECCOMP7   /* seccomp syscall filtering active */
-#define TIF_NEED_RESCHED_LAZY  8
+#define TIF_NEED_RESCHED_LAZY  5
 
 #define TIF_USING_IWMMXT   17
 #define TIF_MEMDIE 18  /* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK19
 #define TIF_SYSCALL_TRACE  20  /* syscall trace active */
+#define TIF_SYSCALL_AUDIT  21  /* syscall auditing active */
+#define TIF_SYSCALL_TRACEPOINT 22  /* syscall tracepoint instrumentation */
+#define TIF_SECCOMP23  /* seccomp syscall filtering active */
 
 
 #define _TIF_SIGPENDING(1 << TIF_SIGPENDING)
-- 
2.38.1


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