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| author | Takashi Iwai <tiwai@suse.de> | 2022-12-22 11:11:48 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-12-22 11:11:48 +0300 |
| commit | 2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch) | |
| tree | f711bc9cab45f4963e4883ef15ff4c54a6cbc12e /arch/powerpc/platforms/pseries/lparcfg.c | |
| parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
| parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) | |
| download | linux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.xz | |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'arch/powerpc/platforms/pseries/lparcfg.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/lparcfg.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c index 507dc0b5987d..63fd925ccbb8 100644 --- a/arch/powerpc/platforms/pseries/lparcfg.c +++ b/arch/powerpc/platforms/pseries/lparcfg.c @@ -35,6 +35,7 @@ #include <asm/drmem.h> #include "pseries.h" +#include "vas.h" /* pseries_vas_dlpar_cpu() */ /* * This isn't a module but we expose that to userspace @@ -748,6 +749,16 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf, return -EINVAL; retval = update_ppp(new_entitled_ptr, NULL); + + if (retval == H_SUCCESS || retval == H_CONSTRAINED) { + /* + * The hypervisor assigns VAS resources based + * on entitled capacity for shared mode. + * Reconfig VAS windows based on DLPAR CPU events. + */ + if (pseries_vas_dlpar_cpu() != 0) + retval = H_HARDWARE; + } } else if (!strcmp(kbuf, "capacity_weight")) { char *endp; *new_weight_ptr = (u8) simple_strtoul(tmp, &endp, 10); |