* [PATCH MINI-OS] gnttab: drop GNTMAP_can_fail
@ 2021-08-26 10:20 Jan Beulich
2021-08-26 10:33 ` Samuel Thibault
0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2021-08-26 10:20 UTC (permalink / raw)
To: Minios-devel; +Cc: Samuel Thibault, Wei Liu, xen-devel
There's neither documentation of what this flag is supposed to mean, nor
any implementation in the hypervisor.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -627,9 +627,6 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_cache_flu
#define _GNTMAP_contains_pte (4)
#define GNTMAP_contains_pte (1<<_GNTMAP_contains_pte)
-#define _GNTMAP_can_fail (5)
-#define GNTMAP_can_fail (1<<_GNTMAP_can_fail)
-
/*
* Bits to be placed in guest kernel available PTE bits (architecture
* dependent; only supported when XENFEAT_gnttab_map_avail_bits is set).
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH MINI-OS] gnttab: drop GNTMAP_can_fail
2021-08-26 10:20 [PATCH MINI-OS] gnttab: drop GNTMAP_can_fail Jan Beulich
@ 2021-08-26 10:33 ` Samuel Thibault
0 siblings, 0 replies; 2+ messages in thread
From: Samuel Thibault @ 2021-08-26 10:33 UTC (permalink / raw)
To: Jan Beulich; +Cc: Minios-devel, Wei Liu, xen-devel
Jan Beulich, le jeu. 26 août 2021 12:20:26 +0200, a ecrit:
> There's neither documentation of what this flag is supposed to mean, nor
> any implementation in the hypervisor.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
> --- a/include/xen/grant_table.h
> +++ b/include/xen/grant_table.h
> @@ -627,9 +627,6 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_cache_flu
> #define _GNTMAP_contains_pte (4)
> #define GNTMAP_contains_pte (1<<_GNTMAP_contains_pte)
>
> -#define _GNTMAP_can_fail (5)
> -#define GNTMAP_can_fail (1<<_GNTMAP_can_fail)
> -
> /*
> * Bits to be placed in guest kernel available PTE bits (architecture
> * dependent; only supported when XENFEAT_gnttab_map_avail_bits is set).
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-08-26 10:20 [PATCH MINI-OS] gnttab: drop GNTMAP_can_fail Jan Beulich
2021-08-26 10:33 ` Samuel Thibault
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