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| author |   Nicholas Piggin <npiggin@gmail.com> | 2022-03-08 23:50:42 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-05-19 23:11:27 +1000 |
| commit | 014b2e896cc8445fcc04636e69bf5f9e24281daa (patch) | |
| tree | 966be50851bfc85c523b452dcf867480e2e2d849 /arch/powerpc/lib/code-patching.c | |
| parent | powerpc/rtas: PACA can be restored directly from SPRG (diff) | |
| download | wireguard-linux-014b2e896cc8445fcc04636e69bf5f9e24281daa.tar.xz wireguard-linux-014b2e896cc8445fcc04636e69bf5f9e24281daa.zip | |
powerpc/rtas: Leave MSR[RI] enabled over RTAS call
PAPR specifies that RTAS may be called with MSR[RI] enabled if the
calling context is recoverable, and RTAS will manage RI as necessary.
Call the rtas entry point with RI enabled, and add a check to ensure
the caller has RI enabled.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220308135047.478297-10-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/lib/code-patching.c')
0 files changed, 0 insertions, 0 deletions