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c20d36cc2a
linux/arch/riscv
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Jisheng Zhang c20d36cc2a
riscv: don't probe unaligned access speed if already done 
If misaligned_access_speed percpu var isn't so called "HWPROBE
MISALIGNED UNKNOWN", it means the probe has happened(this is possible
for example, hotplug off then hotplug on one cpu), and the percpu var
has been set, don't probe again in this case.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Fixes: 584ea6564b ("RISC-V: Probe for unaligned access speed")
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230912154040.3306-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-11-05 09:05:51 -08:00
..
boot RISC-V Devicetrees for v6.6 Part 2 2023-08-21 21:47:55 -04:00
configs riscv: defconfig : add CONFIG_MMC_DW for starfive 2023-11-05 09:04:54 -08:00
errata Merge patch series "Add non-coherent DMA support for AX45MP" 2023-09-08 11:24:34 -07:00
include Merge patch series "Add support to handle misaligned accesses in S-mode" 2023-11-05 06:42:51 -08:00
kernel riscv: don't probe unaligned access speed if already done 2023-11-05 09:05:51 -08:00
kvm KVM/riscv changes for 6.6 2023-08-31 13:25:55 -04:00
lib riscv: uaccess: Return the number of bytes effectively not copied 2023-08-16 07:30:06 -07:00
mm Merge patch series "RISC-V: ACPI improvements" 2023-10-31 19:15:57 -07:00
net bpf, riscv: use prog pack allocator in the BPF JIT 2023-09-06 06:26:07 -07:00
purgatory Merge patch series "riscv: SCS support" 2023-11-02 14:05:23 -07:00
tools riscv: Check relocations at compile time 2023-04-19 07:46:32 -07:00
Kbuild kexec: rename ARCH_HAS_KEXEC_PURGATORY 2023-08-18 10:18:54 -07:00
Kconfig Merge patch series "Add support to handle misaligned accesses in S-mode" 2023-11-05 06:42:51 -08:00
Kconfig.debug RISC-V: Remove EARLY_PRINTK support 2018-12-17 10:23:46 -08:00
Kconfig.errata riscv: Kconfig.errata: Add dependency for RISCV_SBI in ERRATA_ANDES config 2023-09-08 11:25:28 -07:00
Kconfig.socs RISC-V: make ARCH_THEAD preclude XIP_KERNEL 2023-07-05 22:21:23 +02:00
Makefile riscv: Implement Shadow Call Stack 2023-10-27 14:43:08 -07:00
Makefile.postlink riscv: Use --emit-relocs in order to move .rela.dyn in init 2023-04-19 07:46:33 -07:00