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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-30 12:38:58 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-05-03 01:20:27 +1000 |
| commit | f97dec21a306967edbc49ce46f3ecefa3cd16907 (patch) | |
| tree | 71926e433d43add06480dcdd7acbd4f1e4bc6473 /arch/powerpc/kernel/head_fsl_booke.S | |
| parent | powerpc/fsl_booke: ensure SPEFloatingPointException() reenables interrupts (diff) | |
| download | wireguard-linux-f97dec21a306967edbc49ce46f3ecefa3cd16907.tar.xz wireguard-linux-f97dec21a306967edbc49ce46f3ecefa3cd16907.zip | |
powerpc/32: enter syscall with MSR_EE inconditionaly set
syscalls are expected to be entered with MSR_EE set. Lets
make it inconditional by forcing MSR_EE on syscalls.
This patch adds EXC_XFER_SYS for that.
Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[splited out from benh RFC patch]
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 567e0ed45ca8..a7bebb996393 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -414,7 +414,7 @@ interrupt_base: /* System Call Interrupt */ START_EXCEPTION(SystemCall) NORMAL_EXCEPTION_PROLOG(SYSCALL) - EXC_XFER_EE_LITE(0x0c00, DoSyscall) + EXC_XFER_SYS(0x0c00, DoSyscall) /* Auxiliary Processor Unavailable Interrupt */ EXCEPTION(0x2900, AP_UNAVAIL, AuxillaryProcessorUnavailable, \ |