Commit 1d038e80 authored by Ard Biesheuvel's avatar Ard Biesheuvel Committed by Catalin Marinas
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arm64/fpsimd: Don't warn when EFI execution context is preemptible 



Kernel mode FP/SIMD no longer requires preemption to be disabled, so
only warn on uses of FP/SIMD from preemptible context if the fallback
path is taken for cases where kernel mode NEON would not be allowed
otherwise.

Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent a2860501

arch/arm64/kernel/fpsimd.c

+2 −2
Original line number Diff line number Diff line
@@ -1934,11 +1934,11 @@ void __efi_fpsimd_begin(void) 
	if (!system_supports_fpsimd())

		return;



	WARN_ON(preemptible());



	if (may_use_simd()) {

		kernel_neon_begin();

	} else {

		WARN_ON(preemptible());



		/*

		 * If !efi_sve_state, SVE can't be in use yet and doesn't need

		 * preserving: