| Message ID | 20241114160131.48616-12-richard.henderson@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | accel/tcg: Convert victim tlb to IntervalTree | expand |
On 11/14/24 08:00, Richard Henderson wrote: > Flush a page from the IntervalTree cache. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > accel/tcg/cputlb.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) > > diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c > index ea6a5177de..d532d69083 100644 > --- a/accel/tcg/cputlb.c > +++ b/accel/tcg/cputlb.c > @@ -568,6 +568,7 @@ static void tlb_flush_page_locked(CPUState *cpu, int midx, vaddr page) > CPUTLBDesc *desc = &cpu->neg.tlb.d[midx]; > vaddr lp_addr = desc->large_page_addr; > vaddr lp_mask = desc->large_page_mask; > + CPUTLBEntryTree *node; > > /* Check if we need to flush due to large pages. */ > if ((page & lp_mask) == lp_addr) { > @@ -575,10 +576,17 @@ static void tlb_flush_page_locked(CPUState *cpu, int midx, vaddr page) > VADDR_PRIx "/%016" VADDR_PRIx ")\n", > midx, lp_addr, lp_mask); > tlb_flush_one_mmuidx_locked(cpu, midx, get_clock_realtime()); > - } else { > - tlbfast_flush_range_locked(desc, &cpu->neg.tlb.f[midx], > - page, TARGET_PAGE_SIZE, -1); > - tlb_flush_vtlb_page_locked(cpu, midx, page); > + return; > + } > + > + tlbfast_flush_range_locked(desc, &cpu->neg.tlb.f[midx], > + page, TARGET_PAGE_SIZE, -1); > + tlb_flush_vtlb_page_locked(cpu, midx, page); > + > + node = tlbtree_lookup_addr(desc, page); > + if (node) { > + interval_tree_remove(&node->itree, &desc->iroot); > + g_free(node); > } > } > Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index ea6a5177de..d532d69083 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -568,6 +568,7 @@ static void tlb_flush_page_locked(CPUState *cpu, int midx, vaddr page) CPUTLBDesc *desc = &cpu->neg.tlb.d[midx]; vaddr lp_addr = desc->large_page_addr; vaddr lp_mask = desc->large_page_mask; + CPUTLBEntryTree *node; /* Check if we need to flush due to large pages. */ if ((page & lp_mask) == lp_addr) { @@ -575,10 +576,17 @@ static void tlb_flush_page_locked(CPUState *cpu, int midx, vaddr page) VADDR_PRIx "/%016" VADDR_PRIx ")\n", midx, lp_addr, lp_mask); tlb_flush_one_mmuidx_locked(cpu, midx, get_clock_realtime()); - } else { - tlbfast_flush_range_locked(desc, &cpu->neg.tlb.f[midx], - page, TARGET_PAGE_SIZE, -1); - tlb_flush_vtlb_page_locked(cpu, midx, page); + return; + } + + tlbfast_flush_range_locked(desc, &cpu->neg.tlb.f[midx], + page, TARGET_PAGE_SIZE, -1); + tlb_flush_vtlb_page_locked(cpu, midx, page); + + node = tlbtree_lookup_addr(desc, page); + if (node) { + interval_tree_remove(&node->itree, &desc->iroot); + g_free(node); } }
Flush a page from the IntervalTree cache. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- accel/tcg/cputlb.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)