From 707aa3231af8c19779e8ca07a950c3a6b331489a Mon Sep 17 00:00:00 2001 From: Bo Gan Date: Thu, 18 Dec 2025 02:42:37 -0800 Subject: [PATCH] lib: sbi_hart_pmp: make sbi_hart_pmp_fence public sbi_hart_pmp_fence can now be utilized by other hart-protection implementation. Signed-off-by: Bo Gan Reviewed-by: Anup Patel Link: https://lore.kernel.org/r/20251218104243.562667-2-ganboing@gmail.com Signed-off-by: Anup Patel --- include/sbi/sbi_hart_pmp.h | 1 + lib/sbi/sbi_hart_pmp.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/sbi/sbi_hart_pmp.h b/include/sbi/sbi_hart_pmp.h index f54e8b2a..a7765d17 100644 --- a/include/sbi/sbi_hart_pmp.h +++ b/include/sbi/sbi_hart_pmp.h @@ -15,6 +15,7 @@ unsigned int sbi_hart_pmp_count(struct sbi_scratch *scratch); unsigned int sbi_hart_pmp_log2gran(struct sbi_scratch *scratch); unsigned int sbi_hart_pmp_addrbits(struct sbi_scratch *scratch); bool sbi_hart_smepmp_is_fw_region(unsigned int pmp_idx); +void sbi_hart_pmp_fence(void); int sbi_hart_pmp_init(struct sbi_scratch *scratch); #endif diff --git a/lib/sbi/sbi_hart_pmp.c b/lib/sbi/sbi_hart_pmp.c index 62bc859a..7f970ca3 100644 --- a/lib/sbi/sbi_hart_pmp.c +++ b/lib/sbi/sbi_hart_pmp.c @@ -62,7 +62,7 @@ bool sbi_hart_smepmp_is_fw_region(unsigned int pmp_idx) return bitmap_test(fw_smepmp_ids, pmp_idx) ? true : false; } -static void sbi_hart_pmp_fence(void) +void sbi_hart_pmp_fence(void) { /* * As per section 3.7.2 of privileged specification v1.12,