fffb5cd21e
- Fix a performance regression on AMD iGPU and dGPU drivers,
related to the unintended activation of DMA bounce buffers
that regressed game performance if KASLR disturbed things
just enough.
- Fix a copy_user_generic() performance regression on certain
older non-FSRM/ERMS CPUs
- Fix a Clang build warning due to a semantic merge conflict
the Kunit tree generated with the x86 tree
- Fix FRED related system hang during S4 resume
- Remove an unused API
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-04-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix a performance regression on AMD iGPU and dGPU drivers, related to
the unintended activation of DMA bounce buffers that regressed game
performance if KASLR disturbed things just enough
- Fix a copy_user_generic() performance regression on certain older
non-FSRM/ERMS CPUs
- Fix a Clang build warning due to a semantic merge conflict the Kunit
tree generated with the x86 tree
- Fix FRED related system hang during S4 resume
- Remove an unused API
* tag 'x86-urgent-2025-04-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fred: Fix system hang during S4 resume with FRED enabled
x86/platform/iosf_mbi: Remove unused iosf_mbi_unregister_pmic_bus_access_notifier()
x86/mm/init: Handle the special case of device private pages in add_pages(), to not increase max_pfn and trigger dma_addressing_limited() bounce buffers
x86/tools: Drop duplicate unlikely() definition in insn_decoder_test.c
x86/uaccess: Improve performance by aligning writes to 8 bytes in copy_user_generic(), on non-FSRM/ERMS CPUs
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