On 17/03/16 18:09, Paolo Bonzini wrote:
On 17/03/2016 14:46, sergey.fedo...@linaro.org wrote:
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr)
{
- CPUState *cpu;
PageDesc *p;
unsigned int h, n1;
+ tb_page_addr_t pc;
tb_page_addr_t phys_pc;
TranslationBlock *tb1, *tb2;
- /* remove the TB from the hash list */
- phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
- h = tb_phys_hash_func(phys_pc);
- tb_hash_remove(&tcg_ctx.tb_ctx.tb_phys_hash[h], tb);
-
- /* remove the TB from the page list */
- if (tb->page_addr[0] != page_addr) {
- p = page_find(tb->page_addr[0] >> TARGET_PAGE_BITS);
- tb_page_remove(&p->first_tb, tb);
- invalidate_page_bitmap(p);
- }
- if (tb->page_addr[1] != -1 && tb->page_addr[1] != page_addr) {
- p = page_find(tb->page_addr[1] >> TARGET_PAGE_BITS);
- tb_page_remove(&p->first_tb, tb);
- invalidate_page_bitmap(p);
- }
-
- tcg_ctx.tb_ctx.tb_invalidated_flag = 1;
-
Did you investigate the removal of this setting of tb_invalidated_flag?
My recollection is that it is okay to remove it because at worse it
would cause a tb_add_jump from an invalidated source to a valid
destination. This should be harmless as long as the source has been
tb_phys_invalidated and not tb_flushed. But this needs to be checked.
Thanks for pointing that. I should investigate it to make sure, although
arm32/arm64/x86_64 Linux boots fine as well as the latest Alex's
kmv-unit-tests pass.
Kind regards,
Sergey