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Christophe Leroy e464d92b29 powerpc/32: Use fast instruction to set MSR RI in exception prolog on 8xx 
8xx has registers SPRN_NRI, SPRN_EID and SPRN_EIE for changing
MSR EE and RI.

Use SPRN_EID in exception prolog to set RI.

On an 8xx, it reduces the null_syscall test by 3 cycles.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/65f6bda827c2a2abce71ea7e07543e791163da33.1615552866.git.christophe.leroy@csgroup.eu
2021-03-29 13:22:04 +11:00
..
boot
powerpc/boot: Fix build of dts/fsl
2020-12-21 22:06:09 +11:00
configs
Modules updates for v5.12
2021-02-23 10:15:33 -08:00
crypto
crypto: powerpc/sha256 - remove unneeded semicolon
2021-02-10 17:55:57 +11:00
include
powerpc/32: Handle bookE debugging in C in exception entry
2021-03-29 13:22:04 +11:00
kernel
powerpc/32: Use fast instruction to set MSR RI in exception prolog on 8xx
2021-03-29 13:22:04 +11:00
kexec
powerpc/kexec_file: fix FDT size estimation for kdump kernel
2021-02-11 23:35:07 +11:00
kvm
x86:
2021-02-26 10:00:12 -08:00
lib
powerpc/net: Switch csum_and_copy_{to/from}_user to user_access block
2021-03-26 23:19:43 +11:00
math-emu
…
mm
powerpc: Enable KFENCE for PPC32
2021-03-24 14:09:30 +11:00
net
bpf: Rename BPF_XADD and prepare to encode other atomics in .imm
2021-01-14 18:34:29 -08:00
perf
powerpc/perf: Fix handling of privilege level checks in perf interrupt context
2021-03-02 22:41:51 +11:00
platforms
powerpc/pseries: export LPAR security flavor in lparcfg
2021-03-26 23:19:41 +11:00
purgatory
powerpc/kexec_file: Enable early kernel OPAL calls
2020-07-29 23:47:55 +10:00
sysdev
powerpc/xive: Improve error reporting of OPAL calls
2020-12-11 09:53:11 +11:00
tools
powerpc/tools: Remove 90 line limit in checkpatch script
2020-09-08 22:57:11 +10:00
xmon
powerpc/32s: mfsrin()/mtsrin() become mfsr()/mtsr()
2021-02-09 01:10:15 +11:00
Kbuild
powerpc/kexec: Move kexec files into a dedicated subdir.
2019-11-21 15:41:34 +11:00
Kconfig
powerpc: Enable KFENCE for PPC32
2021-03-24 14:09:30 +11:00
Kconfig.debug
powerpc/xmon: Select CONSOLE_POLL for the 8xx
2021-01-31 22:35:51 +11:00
Makefile
Kbuild updates for v5.12
2021-02-25 10:17:31 -08:00
Makefile.postlink
powerpc: unrel_branch_check.sh: use nm to find symbol value
2020-09-02 11:00:22 +10:00