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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-09-18 09:15:44 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-25 10:43:22 -0700 |
| commit | 08565552f70ca37da13f24928727f851073cd13e (patch) | |
| tree | 95cbe6f260f0e0bf9dc74eb590a46c64b8bd99df /memory.c | |
| parent | 7b0d792ce13c0e894ee32a94b321b329724c9a25 (diff) | |
| download | qemu-08565552f70ca37da13f24928727f851073cd13e.zip qemu-08565552f70ca37da13f24928727f851073cd13e.tar.gz qemu-08565552f70ca37da13f24928727f851073cd13e.tar.bz2 | |
cputlb: Move NOTDIRTY handling from I/O path to TLB path
Pages that we want to track for NOTDIRTY are RAM. We do not
really need to go through the I/O path to handle them.
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'memory.c')
| -rw-r--r-- | memory.c | 16 |
1 files changed, 0 insertions, 16 deletions
@@ -434,10 +434,6 @@ static MemTxResult memory_region_read_accessor(MemoryRegion *mr, tmp = mr->ops->read(mr->opaque, addr, size); if (mr->subpage) { trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size); - } else if (mr == &io_mem_notdirty) { - /* Accesses to code which has previously been translated into a TB show - * up in the MMIO path, as accesses to the io_mem_notdirty - * MemoryRegion. */ } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size); @@ -460,10 +456,6 @@ static MemTxResult memory_region_read_with_attrs_accessor(MemoryRegion *mr, r = mr->ops->read_with_attrs(mr->opaque, addr, &tmp, size, attrs); if (mr->subpage) { trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size); - } else if (mr == &io_mem_notdirty) { - /* Accesses to code which has previously been translated into a TB show - * up in the MMIO path, as accesses to the io_mem_notdirty - * MemoryRegion. */ } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size); @@ -484,10 +476,6 @@ static MemTxResult memory_region_write_accessor(MemoryRegion *mr, if (mr->subpage) { trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size); - } else if (mr == &io_mem_notdirty) { - /* Accesses to code which has previously been translated into a TB show - * up in the MMIO path, as accesses to the io_mem_notdirty - * MemoryRegion. */ } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size); @@ -508,10 +496,6 @@ static MemTxResult memory_region_write_with_attrs_accessor(MemoryRegion *mr, if (mr->subpage) { trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size); - } else if (mr == &io_mem_notdirty) { - /* Accesses to code which has previously been translated into a TB show - * up in the MMIO path, as accesses to the io_mem_notdirty - * MemoryRegion. */ } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size); |