diff --git a/chromium-124-el8-support-64kpage.patch b/chromium-124-el8-support-64kpage.patch deleted file mode 100644 index ed4a4e69..00000000 --- a/chromium-124-el8-support-64kpage.patch +++ /dev/null @@ -1,127 +0,0 @@ -diff -up chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_bucket.h.orig chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_bucket.h ---- chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_bucket.h.orig 2024-04-12 21:56:54.000000000 +0200 -+++ chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_bucket.h 2024-04-14 20:53:16.043867871 +0200 -@@ -147,7 +147,13 @@ struct PartitionBucket { - // Returns a slot number starting from the beginning of the slot span. - PA_ALWAYS_INLINE size_t GetSlotNumber(size_t offset_in_slot_span) const { - // See the static assertion for `kReciprocalShift` above. -- PA_DCHECK(offset_in_slot_span <= kMaxBucketed); -+ // TODO(casey.smalley@arm.com): triggers on Aarch64/Linux -+ // systems with 64k system pages. Constants need to be -+ // adjusted to prevent different parts of the allocator -+ // from overlapping. For now this will allow 64k pages -+ // to function on Aarch64/Linux systems, albeit not -+ // very efficiently. -+ PA_DCHECK(internal::SystemPageSize() == (size_t{1} << 16) || offset_in_slot_span <= kMaxBucketed); - PA_DCHECK(slot_size <= kMaxBucketed); - - const size_t offset_in_slot = -diff -up chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page_constants.h.orig chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page_constants.h ---- chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page_constants.h.orig 2024-04-14 20:53:16.043867871 +0200 -+++ chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page_constants.h 2024-04-14 21:39:18.147052845 +0200 -@@ -17,10 +17,8 @@ namespace partition_alloc::internal { - // PartitionPageSize() is 4 times the OS page size. - static constexpr size_t kMaxSlotsPerSlotSpan = 4 * (1 << 14) / kSmallestBucket; - #elif defined(PARTITION_ALLOCATOR_CONSTANTS_POSIX_NONCONST_PAGE_SIZE) --// System page size can be 4, 16, or 64 kiB on Linux on arm64. 64 kiB is --// currently (kMaxSlotsPerSlotSpanBits == 13) not supported by the code, --// so we use the 16 kiB maximum (64 kiB will crash). --static constexpr size_t kMaxSlotsPerSlotSpan = 4 * (1 << 14) / kSmallestBucket; -+// System page size can be 4, 16, or 64 kiB on Linux on AArch64. -+static constexpr size_t kMaxSlotsPerSlotSpan = 4 * (1 << 16) / kSmallestBucket; - #else - // A slot span can "span" multiple PartitionPages, but then its slot size is - // larger, so it doesn't have as many slots. -diff -up chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_root.cc.orig chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_root.cc ---- chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_root.cc.orig 2024-04-14 20:53:16.044867889 +0200 -+++ chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_root.cc 2024-04-14 21:50:57.926716718 +0200 -@@ -952,12 +952,11 @@ void PartitionRoot::Init(PartitionOption - (internal::SystemPageSize() == (size_t{1} << 14))); - #elif BUILDFLAG(IS_LINUX) && defined(ARCH_CPU_ARM64) - // Check runtime pagesize. Though the code is currently the same, it is -- // not merged with the IS_APPLE case above as a 1 << 16 case needs to be -- // added here in the future, to allow 64 kiB pagesize. That is only -- // supported on Linux on arm64, not on IS_APPLE, but not yet present here -- // as the rest of the PartitionAlloc does not currently support it. -+ // not merged with the IS_APPLE case above as a 1 << 16 case is only -+ // supported on Linux on AArch64. - PA_CHECK((internal::SystemPageSize() == (size_t{1} << 12)) || -- (internal::SystemPageSize() == (size_t{1} << 14))); -+ (internal::SystemPageSize() == (size_t{1} << 14)) || -+ (internal::SystemPageSize() == (size_t{1} << 16))); - #endif - - ::partition_alloc::internal::ScopedGuard guard{lock_}; -diff -up chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page.h.me chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page.h ---- chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page.h.me 2024-04-14 22:08:40.655011536 +0200 -+++ chromium-124.0.6367.49/base/allocator/partition_allocator/src/partition_alloc/partition_page.h 2024-04-14 22:12:46.665731577 +0200 -@@ -86,27 +86,25 @@ struct SlotSpanMetadata { - - // CHECK()ed in AllocNewSlotSpan(). - // The maximum number of bits needed to cover all currently supported OSes. -- static constexpr size_t kMaxSlotsPerSlotSpanBits = 13; -+ static constexpr size_t kMaxSlotsPerSlotSpanBits = 15; - static_assert(kMaxSlotsPerSlotSpan < (1 << kMaxSlotsPerSlotSpanBits), ""); - -- // |marked_full| isn't equivalent to being full. Slot span is marked as full -- // iff it isn't on the active slot span list (or any other list). -- uint32_t marked_full : 1; - // |num_allocated_slots| is 0 for empty or decommitted slot spans, which can - // be further differentiated by checking existence of the freelist. -- uint32_t num_allocated_slots : kMaxSlotsPerSlotSpanBits; -- uint32_t num_unprovisioned_slots : kMaxSlotsPerSlotSpanBits; -+ uint16_t num_allocated_slots : kMaxSlotsPerSlotSpanBits; -+ uint16_t num_unprovisioned_slots : kMaxSlotsPerSlotSpanBits; -+ -+ // |marked_full| isn't equivalent to being full. Slot span is marked as full -+ // iff it isn't on the active slot span list (or any other list). -+ bool marked_full : 1; - - private: -- const uint32_t can_store_raw_size_ : 1; -- uint32_t freelist_is_sorted_ : 1; -- uint32_t unused1_ : (32 - 1 - 2 * kMaxSlotsPerSlotSpanBits - 1 - 1); -+ const uint8_t can_store_raw_size_ : 1; -+ uint8_t freelist_is_sorted_ : 1; - // If |in_empty_cache_|==1, |empty_cache_index| is undefined and mustn't be - // used. -- uint16_t in_empty_cache_ : 1; -- uint16_t empty_cache_index_ -- : kMaxEmptyCacheIndexBits; // < kMaxFreeableSpans. -- uint16_t unused2_ : (16 - 1 - kMaxEmptyCacheIndexBits); -+ bool in_empty_cache_ : 1; -+ uint8_t empty_cache_index_ : kMaxEmptyCacheIndexBits; // < kMaxFreeableSpans. - // Can use only 48 bits (6B) in this bitfield, as this structure is embedded - // in PartitionPage which has 2B worth of fields and must fit in 32B. - -@@ -246,18 +244,13 @@ static_assert(sizeof(SlotSpanMetadata) < - "SlotSpanMetadata must fit into a Page Metadata slot."); - - inline constexpr SlotSpanMetadata::SlotSpanMetadata() noexcept -- : marked_full(0), -- num_allocated_slots(0), -+ : num_allocated_slots(0), - num_unprovisioned_slots(0), -+ marked_full(0), - can_store_raw_size_(false), - freelist_is_sorted_(true), -- unused1_(0), - in_empty_cache_(0), -- empty_cache_index_(0), -- unused2_(0) { -- (void)unused1_; -- (void)unused2_; --} -+ empty_cache_index_(0) {} - - inline SlotSpanMetadata::SlotSpanMetadata(const SlotSpanMetadata&) = default; - -@@ -752,7 +745,7 @@ PA_ALWAYS_INLINE void SlotSpanMetadata:: - - size_t num_slots_per_span = bucket->get_slots_per_span(); - PA_DCHECK(num_slots_per_span <= kMaxSlotsPerSlotSpan); -- num_unprovisioned_slots = static_cast(num_slots_per_span); -+ num_unprovisioned_slots = static_cast(num_slots_per_span); - PA_DCHECK(num_unprovisioned_slots); - - ToSuperPageExtent()->IncrementNumberOfNonemptySlotSpans(); diff --git a/chromium.spec b/chromium.spec index 45047991..bbda0852 100644 --- a/chromium.spec +++ b/chromium.spec @@ -354,8 +354,6 @@ Patch150: chromium-124-qt6.patch # it is not supported in old glibc < 2.30, error: fatal error: 'sys/ifunc.h' file not found Patch305: chromium-124-el8-arm64-memory_tagging.patch Patch306: chromium-127-el8-ifunc-header.patch -# 64kpage support on aarch64 (el8) -Patch308: chromium-124-el8-support-64kpage.patch # enable fstack-protector-strong Patch312: chromium-123-fstack-protector-strong.patch @@ -1081,7 +1079,6 @@ Qt6 UI for chromium. %ifarch aarch64 %patch -P305 -p1 -b .el8-memory_tagging %patch -P306 -p1 -b .el8-ifunc-header -%patch -P308 -p1 -b .el8-support-64kpage.patch %endif %endif