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grub2: Use "linux16" only on x86/x86_64

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Got a report that a Fedora Atomic Host built for ppc64le didn't work with the
`linux16`, it needed `linux`. See the comments for more links.

Closes: #716
Approved by: vathpela
This commit is contained in:
Colin Walters 2017-03-02 21:30:10 -05:00 committed by Atomic Bot
parent c4f6522829
commit b41f150a72
1 changed files with 28 additions and 2 deletions
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26
src/libostree/ostree-bootloader-grub2.c
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@ -29,6 +29,20 @@
#include <string.h>
/* I only did some cursory research here, but it appears
* that we only want to use "linux16" for x86 platforms.
* At least, I got a report that "linux16" is definitely wrong
* for ppc64. See
* http://pkgs.fedoraproject.org/cgit/rpms/grub2.git/tree/0036-Use-linux16-when-appropriate-880840.patch?h=f25
* https://bugzilla.redhat.com/show_bug.cgi?id=1108296
* among others.
*/
#if defined(__i386__) || defined(__x86_64__)
#define GRUB2_USES_16 1
#else
#define GRUB2_USES_16 0
#endif
struct _OstreeBootloaderGrub2
{
GObject parent_instance;
@ -203,7 +217,13 @@ _ostree_bootloader_grub2_generate_config (OstreeSysroot *sysroot
if (is_efi)
g_string_append (output, "linuxefi ");
else
{
#if GRUB2_USES_16
g_string_append (output, "linux16 ");
#else
g_string_append (output, "linux ");
#endif
}
g_string_append (output, kernel);
options = ostree_bootconfig_parser_get (config, "options");
@ -220,7 +240,13 @@ _ostree_bootloader_grub2_generate_config (OstreeSysroot *sysroot
if (is_efi)
g_string_append (output, "initrdefi ");
else
{
#if GRUB2_USES_16
g_string_append (output, "initrd16 ");
#else
g_string_append (output, "initrd ");
#endif
}
g_string_append (output, initrd);
g_string_append_c (output, '\n');
}