Re: [PATCH v2 3/6] kexec_file: Allow skipping checksum calculation for some segments.
From: Thiago Jung Bauermann <hidden>
Date: 2016-08-22 03:25:10
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kexec, lkml
Am Montag, 22 August 2016, 11:17:45 schrieb Dave Young:
On 08/18/16 at 06:09pm, Thiago Jung Bauermann wrote:quoted
Hello Dave, Thanks for your review! [ Trimming down Cc: list a little to try to clear the "too many recipients"> mailing list restriction. ]I also got "too many recipients".. Thanks for the trimming.
Didn't work though. What is the maximum number of recipients?
quoted
Am Donnerstag, 18 August 2016, 17:03:30 schrieb Dave Young:quoted
On 08/13/16 at 12:18am, Thiago Jung Bauermann wrote:quoted
Adds checksum argument to kexec_add_buffer specifying whether the given segment should be part of the checksum calculation.Since it is used with add buffer, could it be added to kbuf as a new field?I was on the fence about adding it as a new argument to kexec_add_buffer or as a new field to struct kexec_buf. Both alternatives make sense to me. I implemented your suggestion in the patch below, what do you think?>quoted
Like kbuf.no_checksum, default value is 0 that means checksum is needed if it is 1 then no need a checksum.It's an interesting idea and I implemented it that way, though in practice all current users of struct kexec_buf put it on the stack so the field needs to be initialized explicitly.No need to set it as false because it will be initialized to 0 by default?
As far as I know, variables on the stack are not initialized. Only global and static variables are. -- []'s Thiago Jung Bauermann IBM Linux Technology Center