Commit 2550953b authored by Richard Henderson's avatar Richard Henderson Committed by David Hildenbrand
Browse files

target/s390x: Rely on unwinding in s390_cpu_virt_mem_rw 



For TCG, we will always call s390_cpu_virt_mem_handle_exc,
which will go through the unwinder to set ILEN.  For KVM,
we do not go through do_program_interrupt, so this argument
is unused.

Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-Id: <20191001171614.8405-15-richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 9e1dae31

target/s390x/mmu_helper.c

+1 −1
Original line number Diff line number Diff line
@@ -510,7 +510,7 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, 


    ret = translate_pages(cpu, laddr, nr_pages, pages, is_write, &tec);

    if (ret) {

        trigger_access_exception(&cpu->env, ret, ILEN_AUTO, tec);

        trigger_access_exception(&cpu->env, ret, ILEN_UNWIND, tec);

    } else if (hostbuf != NULL) {

        /* Copy data by stepping through the area page by page */

        for (i = 0; i < nr_pages; i++) {