diff options
| author | Ingo Molnar <mingo@kernel.org> | 2025-04-09 22:00:25 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-04-09 22:00:25 +0200 |
| commit | 78a84fbfa4ffc4bb6e95560a909b2ac3efa0aad2 (patch) | |
| tree | db18cc54b9b0b43bd0ed78dc76eef64aababb98f /kernel/trace/ring_buffer.c | |
| parent | 60567e93c05d7064c93830cf4bf0d2c58f11b2f2 (diff) | |
| parent | 0af2f6be1b4281385b618cb86ad946eded089ac8 (diff) | |
Merge tag 'v6.15-rc1' into x86/mm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index d8d7b28e2c2f..c0f877d39a24 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -6016,7 +6016,7 @@ static void rb_update_meta_page(struct ring_buffer_per_cpu *cpu_buffer) meta->read = cpu_buffer->read; /* Some archs do not have data cache coherency between kernel and user-space */ - flush_dcache_folio(virt_to_folio(cpu_buffer->meta_page)); + flush_kernel_vmap_range(cpu_buffer->meta_page, PAGE_SIZE); } static void @@ -7319,7 +7319,8 @@ consume: out: /* Some archs do not have data cache coherency between kernel and user-space */ - flush_dcache_folio(virt_to_folio(cpu_buffer->reader_page->page)); + flush_kernel_vmap_range(cpu_buffer->reader_page->page, + buffer->subbuf_size + BUF_PAGE_HDR_SIZE); rb_update_meta_page(cpu_buffer); |