* Re: [PATCH v1 04/13] exec: Drop "shared" parameter from ram_block_add()
[not found] <CGME20200204131635eucas1p12355b0ec54898ef7a1632ce73c0b9474@eucas1p1.samsung.com>
@ 2020-02-04 13:16 ` Igor Kotrasiński
0 siblings, 0 replies; 3+ messages in thread
From: Igor Kotrasiński @ 2020-02-04 13:16 UTC (permalink / raw)
To: david; +Cc: qemu-devel
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> Properly store it in the flags of the ram block instead (and the flag
> even already exists and is used).
>
> E.g., qemu_ram_is_shared() now properly succeeds on all ram blocks that are
> actually shared.
>
> Cc: Richard Henderson <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
Reviewed-by: Igor Kotrasinski <i.kotrasinsk@partner.samsung.com>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v1 04/13] exec: Drop "shared" parameter from ram_block_add()
2020-02-03 18:31 ` [PATCH v1 04/13] exec: Drop "shared" parameter from ram_block_add() David Hildenbrand
@ 2020-02-06 11:44 ` Richard Henderson
0 siblings, 0 replies; 3+ messages in thread
From: Richard Henderson @ 2020-02-06 11:44 UTC (permalink / raw)
To: David Hildenbrand, qemu-devel
Cc: Paolo Bonzini, Richard Henderson, Eduardo Habkost,
Dr . David Alan Gilbert, Michael S . Tsirkin
On 2/3/20 6:31 PM, David Hildenbrand wrote:
> Properly store it in the flags of the ram block instead (and the flag
> even already exists and is used).
>
> E.g., qemu_ram_is_shared() now properly succeeds on all ram blocks that are
> actually shared.
>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
> exec.c | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v1 04/13] exec: Drop "shared" parameter from ram_block_add()
2020-02-03 18:31 [PATCH v1 00/13] Ram blocks with resizable anonymous allocations under POSIX David Hildenbrand
@ 2020-02-03 18:31 ` David Hildenbrand
2020-02-06 11:44 ` Richard Henderson
0 siblings, 1 reply; 3+ messages in thread
From: David Hildenbrand @ 2020-02-03 18:31 UTC (permalink / raw)
To: qemu-devel
Cc: Eduardo Habkost, Michael S . Tsirkin, David Hildenbrand,
Dr . David Alan Gilbert, Paolo Bonzini, Richard Henderson
Properly store it in the flags of the ram block instead (and the flag
even already exists and is used).
E.g., qemu_ram_is_shared() now properly succeeds on all ram blocks that are
actually shared.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
exec.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/exec.c b/exec.c
index f7525867ec..fc65c4f7ca 100644
--- a/exec.c
+++ b/exec.c
@@ -2249,7 +2249,7 @@ static void dirty_memory_extend(ram_addr_t old_ram_size,
}
}
-static void ram_block_add(RAMBlock *new_block, Error **errp, bool shared)
+static void ram_block_add(RAMBlock *new_block, Error **errp)
{
RAMBlock *block;
RAMBlock *last_block = NULL;
@@ -2272,7 +2272,8 @@ static void ram_block_add(RAMBlock *new_block, Error **errp, bool shared)
}
} else {
new_block->host = phys_mem_alloc(new_block->max_length,
- &new_block->mr->align, shared);
+ &new_block->mr->align,
+ qemu_ram_is_shared(new_block));
if (!new_block->host) {
error_setg_errno(errp, errno,
"cannot set up guest memory '%s'",
@@ -2376,7 +2377,7 @@ RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, MemoryRegion *mr,
return NULL;
}
- ram_block_add(new_block, &local_err, ram_flags & RAM_SHARED);
+ ram_block_add(new_block, &local_err);
if (local_err) {
g_free(new_block);
error_propagate(errp, local_err);
@@ -2438,10 +2439,13 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size,
if (host) {
new_block->flags |= RAM_PREALLOC;
}
+ if (share) {
+ new_block->flags |= RAM_SHARED;
+ }
if (resizeable) {
new_block->flags |= RAM_RESIZEABLE;
}
- ram_block_add(new_block, &local_err, share);
+ ram_block_add(new_block, &local_err);
if (local_err) {
g_free(new_block);
error_propagate(errp, local_err);
--
2.24.1
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[not found] <CGME20200204131635eucas1p12355b0ec54898ef7a1632ce73c0b9474@eucas1p1.samsung.com>
2020-02-04 13:16 ` [PATCH v1 04/13] exec: Drop "shared" parameter from ram_block_add() Igor Kotrasiński
2020-02-03 18:31 [PATCH v1 00/13] Ram blocks with resizable anonymous allocations under POSIX David Hildenbrand
2020-02-03 18:31 ` [PATCH v1 04/13] exec: Drop "shared" parameter from ram_block_add() David Hildenbrand
2020-02-06 11:44 ` Richard Henderson
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