lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 31 Jul 2016 22:07:07 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Andy Lutomirski <luto@...nel.org>, x86@...nel.org Cc: Mario Limonciello <mario_limonciello@...l.com>, Matthew Garrett <mjg59@...f.ucam.org>, Borislav Petkov <bp@...en8.de>, Matt Fleming <mfleming@...e.de>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 4/4] x86/efi: Allocate a trampoline if needed in efi_free_boot_services() On 07/26/16 15:55, Andy Lutomirski wrote: > + /* > + * Nasty quirk: if all sub-1MB memory is used for boot > + * services, we can get here without having allocated the > + * real mode trampoline. It's too late to hand boot services > + * memory back to the memblock allocator, so instead > + * try to reclaim a single page if needed. > + * This comment makes no sense. Nowhere is there a dependency on a single page, and this refers to allocation, not reclaim... -hpa
Powered by blists - more mailing lists