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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-04-23 11:46:47 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-04-23 17:35:25 +0200 |
| commit | ab0c7fb22b56523f24d6e127cd4d10ecff67bf85 (patch) | |
| tree | 2b54fcbdc5b5b5457cbd764b29ad924d34437992 /linux-headers/asm-arm64/sve_context.h | |
| parent | b40b8eb609d3549ac14aab43849b20f5cba951c9 (diff) | |
| download | qemu-ab0c7fb22b56523f24d6e127cd4d10ecff67bf85.zip qemu-ab0c7fb22b56523f24d6e127cd4d10ecff67bf85.tar.gz qemu-ab0c7fb22b56523f24d6e127cd4d10ecff67bf85.tar.bz2 | |
linux-headers: update to current kvm/next
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'linux-headers/asm-arm64/sve_context.h')
| -rw-r--r-- | linux-headers/asm-arm64/sve_context.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/linux-headers/asm-arm64/sve_context.h b/linux-headers/asm-arm64/sve_context.h index 1d0e3e1..d1b1ec8 100644 --- a/linux-headers/asm-arm64/sve_context.h +++ b/linux-headers/asm-arm64/sve_context.h @@ -13,6 +13,17 @@ #define __SVE_VQ_BYTES 16 /* number of bytes per quadword */ +/* + * Yes, __SVE_VQ_MAX is 512 QUADWORDS. + * + * To help ensure forward portability, this is much larger than the + * current maximum value defined by the SVE architecture. While arrays + * or static allocations can be sized based on this value, watch out! + * It will waste a surprisingly large amount of memory. + * + * Dynamic sizing based on the actual runtime vector length is likely to + * be preferable for most purposes. + */ #define __SVE_VQ_MIN 1 #define __SVE_VQ_MAX 512 |