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Author SHA1 Message Date
Andrew WatermanandAnup Patel 111738090c lib: sbi: Flush TLBs upon FWFT ADUE change 
A clarification has been added to the RISC-V privileged specification
regarding synchronization requirements when xenvcfg.ADUE changes.
(Refer, the following commit in the RISC-V Privileged ISA spec
https://github.com/riscv/riscv-isa-manual/commit/4e540263db8ae3a27d132a1752cc0fad222facd8)

As-per these requirements, the SBI FWFT ADUE implementation must
flush TLBs upon changes in ADUE state on a hart.

Signed-off-by: Andrew Waterman <andrew@sifive.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20251127112121.334023-3-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2025-12-16 20:19:21 +05:30
Andrew WatermanandAnup Patel 843e916dca lib: sbi: Expose __sbi_sfence_vma_all() function 
The __sbi_sfence_vma_all() can be shared by different parts of
OpenSBI so rename __tlb_flush_all() to __sbi_sfence_vma_all()
and make it global function.

Signed-off-by: Andrew Waterman <andrew@sifive.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20251127112121.334023-2-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2025-12-16 20:19:21 +05:30