Am Sat, 20 Jan 2018 17:46:09 +0000 (UTC)
Konstantin Belousov <k...@freebsd.org> schrieb:

> Author: kib
> Date: Sat Jan 20 17:46:09 2018
> New Revision: 328202
> URL: https://svnweb.freebsd.org/changeset/base/328202
> 
> Log:
>   Use predefined symbol for the CR3.PCID mask.
>   
>   Sponsored by:       The FreeBSD Foundation
>   MFC after:  11 days
> 
> Modified:
>   head/sys/amd64/amd64/trap.c
> 
> Modified: head/sys/amd64/amd64/trap.c
> ==============================================================================
> --- head/sys/amd64/amd64/trap.c       Sat Jan 20 17:02:17 2018        
> (r328201)
> +++ head/sys/amd64/amd64/trap.c       Sat Jan 20 17:46:09 2018        
> (r328202)
> @@ -707,8 +707,8 @@ trap_pfault(struct trapframe *frame, int usermode)
>        */
>       if (pti && usermode && pg_nx != 0 && (frame->tf_err & (PGEX_P | PGEX_W |
>           PGEX_U | PGEX_I)) == (PGEX_P | PGEX_U | PGEX_I) &&
> -         (curpcb->pcb_saved_ucr3 & ~(PMAP_PCID_OVERMAX - 1))==
> -         (PCPU_GET(curpmap)->pm_cr3 & ~(PMAP_PCID_OVERMAX - 1)))
> +         (curpcb->pcb_saved_ucr3 & ~PMAP_PCID_MASK)==
> +         (PCPU_GET(curpmap)->pm_cr3 & ~PMAP_PCID_MASK))
>               panic("PTI: pid %d comm %s tf_err %#lx\n", p->p_pid,
>                   p->p_comm, frame->tf_err);
>  
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This commit breaks buildkernel:


[...]
/usr/src/sys/amd64/amd64/trap.c:710:33: error: use of undeclared identifier
'PMAP_PCID_MASK' (curpcb->pcb_saved_ucr3 & ~PMAP_PCID_MASK)==
                                       ^
/usr/src/sys/amd64/amd64/trap.c:711:36: error: use of undeclared identifier
'PMAP_PCID_MASK' (PCPU_GET(curpmap)->pm_cr3 & ~PMAP_PCID_MASK))
                                          ^
2 errors generated.
--- modules-all ---
--- all_subdir_ath_rate ---
===> ath_rate (all)
--- all_subdir_ata ---
--- all_subdir_ata/atapci/chipsets/atanational ---
===> ata/atapci/chipsets/atanational (all)
--- trap.o ---
*** [trap.o] Error code 1

-- 
O. Hartmann

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