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Re: [PATCH v3 0/2] disk: use maximum number of sectors for LBA
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From: |
Daniel Kiper |
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Subject: |
Re: [PATCH v3 0/2] disk: use maximum number of sectors for LBA |
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Date: |
Thu, 12 Oct 2023 14:30:32 +0200 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
On Tue, Oct 10, 2023 at 09:28:43PM +0300, ValdikSS via Grub-devel wrote:
> GRUB2 limits number of sectors read at once in LBA mode to the
> number reported in CHS disk geometry by BIOS.
> This is unnecessary, as IBM/MS INT13 Extensions does not have
> such limit and it is safe to read up to 127 sectors in a single call.
>
> This fixes greatly increased boot times on WYSE C10LE x86 thin
> client with Phoenix bios.
>
> See:
> https://lore.kernel.org/grub-devel/d42a11fa-2a59-b5e7-08b1-d2c60444bb99@valdikss.org.ru/
>
> ValdikSS (2):
> disk: read up to 63 sectors in LBA mode
> disk: increase sector size up to 127 for LBA reads
For both patches Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>...
I will take patch #1 right now. The patch #2 will be merged after the release.
Daniel