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| author | Nicholas Piggin <npiggin@gmail.com> | 2020-08-25 09:53:09 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-08-27 09:41:13 +0200 |
| commit | e5fe56092e753c50093c60e757561984abff335e (patch) | |
| tree | fab077fae9aa32e3a35f0dc09409d2c36bc7ec68 /arch | |
| parent | Documentation/powerpc: fix malformed table in syscall64-abi (diff) | |
| download | linux-e5fe56092e753c50093c60e757561984abff335e.tar.xz linux-e5fe56092e753c50093c60e757561984abff335e.zip | |
powerpc/64s: scv entry should set PPR
Kernel entry sets PPR to HMT_MEDIUM by convention. The scv entry
path missed this.
Fixes: 7fa95f9adaee ("powerpc/64s: system call support for scv/rfscv instructions")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200825075309.224184-1-npiggin@gmail.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 33a42e42c56f..733e40eba4eb 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -113,6 +113,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) ld r11,exception_marker@toc(r2) std r11,-16(r10) /* "regshere" marker */ +BEGIN_FTR_SECTION + HMT_MEDIUM +END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) + /* * RECONCILE_IRQ_STATE without calling trace_hardirqs_off(), which * would clobber syscall parameters. Also we always enter with IRQs |