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| author | Haren Myneni <haren@linux.ibm.com> | 2022-02-28 17:12:04 -0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-03-08 00:04:55 +1100 |
| commit | 976410cd2cb4c6ed53bd12c192fc46bbcc0fbce7 (patch) | |
| tree | 40c5dae7af8fcff41163f21ae12a6202845a5cf3 /arch/powerpc/platforms/pseries/vas.h | |
| parent | 40562fe4fa3d94c7462ec909ab89b075e26c59ac (diff) | |
| download | linux-976410cd2cb4c6ed53bd12c192fc46bbcc0fbce7.tar.gz linux-976410cd2cb4c6ed53bd12c192fc46bbcc0fbce7.tar.bz2 linux-976410cd2cb4c6ed53bd12c192fc46bbcc0fbce7.zip | |
powerpc/pseries/vas: Save PID in pseries_vas_window struct
The kernel sets the VAS window with PID when it is opened in
the hypervisor. During DLPAR operation, windows can be closed and
reopened in the hypervisor when the credit is available. So saves
this PID in pseries_vas_window struct when the window is opened
initially and reuse it later during DLPAR operation.
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/a57cbe6d292fe49ad55a0b49c5679d6a24d8fe73.camel@linux.ibm.com
Diffstat (limited to 'arch/powerpc/platforms/pseries/vas.h')
| -rw-r--r-- | arch/powerpc/platforms/pseries/vas.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/vas.h b/arch/powerpc/platforms/pseries/vas.h index d6ea8ab8b07a..2872532ed72a 100644 --- a/arch/powerpc/platforms/pseries/vas.h +++ b/arch/powerpc/platforms/pseries/vas.h @@ -114,6 +114,7 @@ struct pseries_vas_window { u64 domain[6]; /* Associativity domain Ids */ /* this window is allocated */ u64 util; + u32 pid; /* PID associated with this window */ /* List of windows opened which is used for LPM */ struct list_head win_list; |