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47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Tue, 14 Jan 2020 17:41:29 +0100
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Subject: [PATCH] blscfg: Always use the root variable to search for BLS
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snippets
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The boot and root variables are set by grub2-mkconfig to tell GRUB what
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are the devices and partitions used as the EFI System Partition (ESP)
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and to store the /boot directory (or used as the /boot mount point).
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But the boot variable is not needed anymore, this was added because the
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blscfg module used to search for the BLS snippets in the ESP, but was
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later changed to always search for the BLS files in /boot even for EFI.
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When doing that change, the logic was made backwards and so the boot
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variable is wrongly used for legacy BIOS. This only works because this
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is set to the same value as the root variable.
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So the correct thing to do is to always use the root variable to search
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the BLS snippets, since that is set to the partition that stores them.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/commands/blscfg.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index 286a5b88d12..aa4e624905e 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -968,14 +968,12 @@ bls_load_entries (const char *path)
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if (!devid) {
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#ifdef GRUB_MACHINE_EMU
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devid = "host";
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-#elif defined(GRUB_MACHINE_EFI)
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+#else
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devid = grub_env_get ("root");
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-#else
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- devid = grub_env_get ("boot");
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#endif
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if (!devid)
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return grub_error (GRUB_ERR_FILE_NOT_FOUND,
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- N_("variable `%s' isn't set"), "boot");
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+ N_("variable `%s' isn't set"), "root");
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}
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grub_dprintf ("blscfg", "opening %s\n", devid);
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